Top 100 high schools in Illinois (2025)
Schools classified as high schools by NCES. Ranked by the Success Index (US) from official American data; 100 schools shown.
- 187Lake Forest High SchoolLake Forest · Public High76% Math proficiency · 1,359 students
- 287New Trier Township H S WinnetkaWinnetka · Public High80% Math proficiency · 2,770 students
- 385Payton College Preparatory HSChicago · Public High93% Math proficiency · 1,260 students
- 484Northside College Preparatory HsChicago · Public High94% Math proficiency · 1,061 students
- 583Deerfield High SchoolDeerfield · Public High74% Math proficiency · 1,437 students
- 682Young Magnet High SchoolChicago · Public High93% Math proficiency · 2,223 students
- 781Neuqua Valley High SchoolNaperville · Public High74% Math proficiency · 3,018 students
- 881Jones College Prep High SchoolChicago · Public High92% Math proficiency · 1,954 students
- 980Lane Technical High SchoolChicago · Public High90% Math proficiency · 4,604 students
- 1080Hinsdale Central High SchoolHinsdale · Public High79% Math proficiency · 2,445 students
- 1178Naperville Central High SchoolNaperville · Public High70% Math proficiency · 2,589 students
- 1278Glenbrook North High SchoolNorthbrook · Public High74% Math proficiency · 2,111 students
- 1378Libertyville High SchoolLibertyville · Public High73% Math proficiency · 1,777 students
- 1478Naperville North High SchoolNaperville · Public High66% Math proficiency · 2,467 students
- 1578Vernon Hills High SchoolVernon Hills · Public High74% Math proficiency · 1,419 students
- 1676Adlai E Stevenson High SchoolLincolnshire · Public High76% Math proficiency · 4,758 students
- 1775Oak Park & River Forest High SchOak Park · Public High59% Math proficiency · 3,307 students
- 1875York Comm High SchoolElmhurst · Public High63% Math proficiency · 2,590 students
- 1973Glenbrook South High SchoolGlenview · Public High68% Math proficiency · 2,923 students
- 2073Morton High SchoolMorton · Public High59% Math proficiency · 1,061 students
- 2172Wm Fremd High SchoolPalatine · Public High71% Math proficiency · 2,689 students
- 2271Metea Valley High SchoolAurora · Public High61% Math proficiency · 2,766 students
- 2370Tri-Valley High SchoolDowns · Public High52% Math proficiency · 329 students
- 2470Highland Park High SchoolHighland Park · Public High61% Math proficiency · 1,661 students
- 2569Mahomet-Seymour High SchoolMahomet · Public High64% Math proficiency · 1,050 students
- 2668Elmwood High SchoolElmwood · Public High54.5% Math proficiency · 208 students
- 2768Dunlap High SchoolDunlap · Public High63% Math proficiency · 1,420 students
- 2868Prospect High SchoolMt Prospect · Public High73% Math proficiency · 2,245 students
- 2968Geneva Community High SchoolGeneva · Public High64% Math proficiency · 1,635 students
- 3067Intrinsic 2 Charter High SchoolChicago · Charter High43.2% Free/reduced-price lunch · 734 students
- 3167Lyons Twp High SchLa Grange · Public High64% Math proficiency · 3,706 students
- 3267Barrington High SchoolBarrington · Public High67% Math proficiency · 2,718 students
- 3367Brimfield High SchoolBrimfield · Public High54.5% Math proficiency · 189 students
- 3466Lisle High SchoolLisle · Public High57% Math proficiency · 447 students
- 3566John Hersey High SchoolArlington Heights · Public High65% Math proficiency · 2,040 students
- 3666Prairie Ridge High SchoolCrystal Lake · Public High59% Math proficiency · 1,133 students
- 3766Lemont Twp High SchoolLemont · Public High51% Math proficiency · 1,284 students
- 3866Wheaton North High SchoolWheaton · Public High55% Math proficiency · 1,863 students
- 3966Coop HS 1Bismarck · Public High40.5% Free/reduced-price lunch · 247 students
- 4066Teutopolis High SchoolTeutopolis · Public High52% Math proficiency · 339 students
- 4165Westmont High SchoolWestmont · Public High52% Math proficiency · 395 students
- 4265Maine South High SchoolPark Ridge · Public High65% Math proficiency · 2,494 students
- 4365Waubonsie Valley High SchoolAurora · Public High52% Math proficiency · 2,849 students
- 4465Dee-Mack High SchoolMackinaw · Public High47% Math proficiency · 293 students
- 4565Eureka High SchoolEureka · Public High57% Math proficiency · 513 students
- 4665Lake Zurich High SchoolLake Zurich · Public High61% Math proficiency · 1,839 students
- 4765Freeburg Community High SchFreeburg · Public High52% Math proficiency · 689 students
- 4865St Charles North High SchoolSaint Charles · Public High66% Math proficiency · 1,903 students
- 4964Comm H S Dist 99 - North H SDowners Grove · Public High62% Math proficiency · 2,082 students
- 5064Princeville High SchoolPrinceville · Public High54% Math proficiency · 350 students
- 5164St Joseph-Ogden High SchoolSaint Joseph · Public High57% Math proficiency · 457 students
- 5263Evanston Twp High SchoolEvanston · Public High50% Math proficiency · 3,560 students
- 5363Proviso Math and Science AcademyForest Park · Public High67% Math proficiency · 925 students
- 5463Huntley High SchoolHuntley · Public High49% Math proficiency · 2,804 students
- 5562Metamora High SchoolMetamora · Public High52% Math proficiency · 896 students
- 5662Hononegah CHD High SchoolRockton · Public High50% Math proficiency · 1,814 students
- 5762Williamsville High SchoolWilliamsville · Public High42% Math proficiency · 462 students
- 5862Lincoln-Way Central High SchoolNew Lenox · Public High56% Math proficiency · 1,991 students
- 5961Mascoutah High SchoolMascoutah · Public High50% Math proficiency · 1,243 students
- 6061Pecatonica High SchoolPecatonica · Public High44.5% Math proficiency · 313 students
- 6161Plainfield North High SchoolPlainfield · Public High54% Math proficiency · 2,399 students
- 6261Roanoke-Benson High SchoolRoanoke · Public High34.5% Math proficiency · 146 students
- 6361Glenbard West High SchoolGlen Ellyn · Public High54% Math proficiency · 2,330 students
- 6461O Fallon High SchoolO Fallon · Public High53% Math proficiency · 2,540 students
- 6561McHenry Community High SchoolMchenry · Public High37.7% Free/reduced-price lunch · 2,214 students
- 6661Calhoun High SchoolHardin · Public High49.5% Math proficiency · 171 students
- 6761Columbia High SchoolColumbia · Public High57% Math proficiency · 606 students
- 6861Grayslake Central High SchoolGrayslake · Public High49% Math proficiency · 1,375 students
- 6960Edwardsville High SchoolEdwardsville · Public High49% Math proficiency · 2,342 students
- 7060Erie High SchoolErie · Public High44.5% Math proficiency · 190 students
- 7160Central High SchoolBurilngton · Public High50% Math proficiency · 1,575 students
- 7260J B Conant High SchoolHoffman Estates · Public High59% Math proficiency · 2,633 students
- 7359Wheaton Warrenville South H SWheaton · Public High49% Math proficiency · 1,864 students
- 7459Tremont High SchoolTremont · Public High42% Math proficiency · 288 students
- 7559Cary-Grove Community High SchoolCary · Public High51% Math proficiency · 1,348 students
- 7659Byron High School 9-12Byron · Public High37% Math proficiency · 464 students
- 7759Glenbard South High SchoolGlen Ellyn · Public High50% Math proficiency · 1,090 students
- 7858Dwight High SchoolDwight · Public High44.5% Math proficiency · 211 students
- 7958Sycamore High SchoolSycamore · Public High46% Math proficiency · 1,161 students
- 8058Dakota Jr Sr High SchoolDakota · Public High37% Math proficiency · 344 students
- 8158Okawville Jr/Sr High SchoolOkawville · Public High37% Math proficiency · 224 students
- 8258Lincoln-Way East High SchoolFrankfort · Public High58% Math proficiency · 2,696 students
- 8358Central Comm High SchoolBreese · Public High42% Math proficiency · 629 students
- 8458Riverdale Sr High SchoolPort Byron · Public High37% Math proficiency · 324 students
- 8558Batavia Sr High SchoolBatavia · Public High58% Math proficiency · 1,690 students
- 8657Normal Community High SchoolNormal · Public High49% Math proficiency · 2,079 students
- 8757Richmond-Burton High SchoolRichmond · Public High47% Math proficiency · 521 students
- 8857Cerro Gordo Jr and Sr High SchCerro Gordo · Public High37% Math proficiency · 228 students
- 8957Hampshire High SchoolHampshire · Public High50% Math proficiency · 2,046 students
- 9057St Charles East High SchoolSaint Charles · Public High51% Math proficiency · 1,930 students
- 9157Mt Zion High SchoolMount Zion · Public High46% Math proficiency · 762 students
- 9257Wesclin Sr High SchoolTrenton · Public High42% Math proficiency · 343 students
- 9357Waterloo High SchoolWaterloo · Public High45% Math proficiency · 876 students
- 9457Eastland Jr/Sr High SchoolLanark · Public High47% Math proficiency · 298 students
- 9556Orion High SchoolOrion · Public High47% Math proficiency · 285 students
- 9656GCMS High SchoolGibson City · Public High42% Math proficiency · 275 students
- 9756Lincoln Way WestNew Lenox · Public High58% Math proficiency · 2,047 students
- 9855Riverside Brookfield Twp HSRiverside · Public High54% Math proficiency · 1,663 students
- 9955Heyworth Jr-Sr High SchoolHeyworth · Public High34% Math proficiency · 401 students
- 10055Lincoln Park High SchoolChicago · Public High52% Math proficiency · 2,214 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Lake Forest High School Lake Forest · High · Grades 9–12 | Public | 87.4 Top 5% | 76% Math proficiency | 1,359 |
| 2 | New Trier Township H S Winnetka Winnetka · High · Grades 10–12 | Public | 86.6 Top 5% | 80% Math proficiency | 2,770 |
| 3 | Payton College Preparatory HS Chicago · High · Grades 9–12 | Public | 85.4 Top 5% | 93% Math proficiency | 1,260 |
| 4 | Northside College Preparatory Hs Chicago · High · Grades 9–12 | Public | 84.2 Top 5% | 94% Math proficiency | 1,061 |
| 5 | Deerfield High School Deerfield · High · Grades 9–12 | Public | 83.2 Top 5% | 74% Math proficiency | 1,437 |
| 6 | Young Magnet High School Chicago · High · Grades 7–12 | Public | 81.5 Top 10% | 93% Math proficiency | 2,223 |
| 7 | Neuqua Valley High School Naperville · High · Grades 9–12 | Public | 81.2 Top 10% | 74% Math proficiency | 3,018 |
| 8 | Jones College Prep High School Chicago · High · Grades 9–12 | Public | 80.6 Top 10% | 92% Math proficiency | 1,954 |
| 9 | Lane Technical High School Chicago · High · Grades 7–12 | Public | 80.2 Top 10% | 90% Math proficiency | 4,604 |
| 10 | Hinsdale Central High School Hinsdale · High · Grades 9–12 | Public | 79.8 Top 10% | 79% Math proficiency | 2,445 |
| 11 | Naperville Central High School Naperville · High · Grades 9–12 | Public | 78.3 Top 10% | 70% Math proficiency | 2,589 |
| 12 | Glenbrook North High School Northbrook · High · Grades 9–12 | Public | 78.2 Top 10% | 74% Math proficiency | 2,111 |
| 13 | Libertyville High School Libertyville · High · Grades 9–12 | Public | 78.2 Top 10% | 73% Math proficiency | 1,777 |
| 14 | Naperville North High School Naperville · High · Grades 9–12 | Public | 78.1 Top 10% | 66% Math proficiency | 2,467 |
| 15 | Vernon Hills High School Vernon Hills · High · Grades 9–12 | Public | 77.8 Top 10% | 74% Math proficiency | 1,419 |
| 16 | Adlai E Stevenson High School Lincolnshire · High · Grades 9–12 | Public | 75.9 Top 25% | 76% Math proficiency | 4,758 |
| 17 | Oak Park & River Forest High Sch Oak Park · High · Grades 9–12 | Public | 75.2 Top 25% | 59% Math proficiency | 3,307 |
| 18 | York Comm High School Elmhurst · High · Grades 9–12 | Public | 75.2 Top 25% | 63% Math proficiency | 2,590 |
| 19 | Glenbrook South High School Glenview · High · Grades 9–12 | Public | 73.4 Top 25% | 68% Math proficiency | 2,923 |
| 20 | Morton High School Morton · High · Grades 9–12 | Public | 73.2 Top 25% | 59% Math proficiency | 1,061 |
| 21 | Wm Fremd High School Palatine · High · Grades 9–12 | Public | 71.6 Top 25% | 71% Math proficiency | 2,689 |
| 22 | Metea Valley High School Aurora · High · Grades 9–12 | Public | 70.6 Top 25% | 61% Math proficiency | 2,766 |
| 23 | Tri-Valley High School Downs · High · Grades 9–12 | Public | 70.2 Top 25% | 52% Math proficiency | 329 |
| 24 | Highland Park High School Highland Park · High · Grades 9–12 | Public | 69.8 Top 25% | 61% Math proficiency | 1,661 |
| 25 | Mahomet-Seymour High School Mahomet · High · Grades 9–12 | Public | 68.5 Top 25% | 64% Math proficiency | 1,050 |
| 26 | Elmwood High School Elmwood · High · Grades 9–12 | Public | 68.2 Top 25% | 54.5% Math proficiency | 208 |
| 27 | Dunlap High School Dunlap · High · Grades 9–12 | Public | 68.0 Top 25% | 63% Math proficiency | 1,420 |
| 28 | Prospect High School Mt Prospect · High · Grades 9–12 | Public | 68.0 Top 25% | 73% Math proficiency | 2,245 |
| 29 | Geneva Community High School Geneva · High · Grades 9–12 | Public | 67.7 Top 25% | 64% Math proficiency | 1,635 |
| 30 | Intrinsic 2 Charter High School Chicago · High · Grades 9–12 | Charter | 67.1 Top 25% | 43.2% Free/reduced-price lunch | 734 |
| 31 | Lyons Twp High Sch La Grange · High · Grades 9–12 | Public | 67.0 Top 25% | 64% Math proficiency | 3,706 |
| 32 | Barrington High School Barrington · High · Grades 9–12 | Public | 66.8 Top 25% | 67% Math proficiency | 2,718 |
| 33 | Brimfield High School Brimfield · High · Grades 9–12 | Public | 66.7 Top 25% | 54.5% Math proficiency | 189 |
| 34 | Lisle High School Lisle · High · Grades 9–12 | Public | 66.4 Top 25% | 57% Math proficiency | 447 |
| 35 | John Hersey High School Arlington Heights · High · Grades 9–12 | Public | 66.3 Top 25% | 65% Math proficiency | 2,040 |
| 36 | Prairie Ridge High School Crystal Lake · High · Grades 9–12 | Public | 66.3 Top 25% | 59% Math proficiency | 1,133 |
| 37 | Lemont Twp High School Lemont · High · Grades 9–12 | Public | 66.2 Top 25% | 51% Math proficiency | 1,284 |
| 38 | Wheaton North High School Wheaton · High · Grades 9–12 | Public | 66.1 Top 25% | 55% Math proficiency | 1,863 |
| 39 | Coop HS 1 Bismarck · High · Grades 9–12 | Public | 65.9 Top 50% | 40.5% Free/reduced-price lunch | 247 |
| 40 | Teutopolis High School Teutopolis · High · Grades 9–12 | Public | 65.6 Top 50% | 52% Math proficiency | 339 |
| 41 | Westmont High School Westmont · High · Grades 9–12 | Public | 65.4 Top 50% | 52% Math proficiency | 395 |
| 42 | Maine South High School Park Ridge · High · Grades 9–12 | Public | 65.3 Top 50% | 65% Math proficiency | 2,494 |
| 43 | Waubonsie Valley High School Aurora · High · Grades 9–12 | Public | 65.1 Top 50% | 52% Math proficiency | 2,849 |
| 44 | Dee-Mack High School Mackinaw · High · Grades 9–12 | Public | 65.0 Top 50% | 47% Math proficiency | 293 |
| 45 | Eureka High School Eureka · High · Grades 9–12 | Public | 64.9 Top 50% | 57% Math proficiency | 513 |
| 46 | Lake Zurich High School Lake Zurich · High · Grades 9–12 | Public | 64.7 Top 50% | 61% Math proficiency | 1,839 |
| 47 | Freeburg Community High Sch Freeburg · High · Grades 9–12 | Public | 64.5 Top 50% | 52% Math proficiency | 689 |
| 48 | St Charles North High School Saint Charles · High · Grades 9–12 | Public | 64.5 Top 50% | 66% Math proficiency | 1,903 |
| 49 | Comm H S Dist 99 - North H S Downers Grove · High · Grades 9–12 | Public | 63.8 Top 50% | 62% Math proficiency | 2,082 |
| 50 | Princeville High School Princeville · High · Grades 6–12 | Public | 63.8 Top 50% | 54% Math proficiency | 350 |
| 51 | St Joseph-Ogden High School Saint Joseph · High · Grades 9–12 | Public | 63.8 Top 50% | 57% Math proficiency | 457 |
| 52 | Evanston Twp High School Evanston · High · Grades 9–12 | Public | 63.3 Top 50% | 50% Math proficiency | 3,560 |
| 53 | Proviso Math and Science Academy Forest Park · High · Grades 9–12 | Public | 62.8 Top 50% | 67% Math proficiency | 925 |
| 54 | Huntley High School Huntley · High · Grades 9–12 | Public | 62.5 Top 50% | 49% Math proficiency | 2,804 |
| 55 | Metamora High School Metamora · High · Grades 9–12 | Public | 62.4 Top 50% | 52% Math proficiency | 896 |
| 56 | Hononegah CHD High School Rockton · High · Grades 9–12 | Public | 62.3 Top 50% | 50% Math proficiency | 1,814 |
| 57 | Williamsville High School Williamsville · High · Grades 9–12 | Public | 61.9 Top 50% | 42% Math proficiency | 462 |
| 58 | Lincoln-Way Central High School New Lenox · High · Grades 9–12 | Public | 61.6 Top 50% | 56% Math proficiency | 1,991 |
| 59 | Mascoutah High School Mascoutah · High · Grades 9–12 | Public | 61.4 Top 50% | 50% Math proficiency | 1,243 |
| 60 | Pecatonica High School Pecatonica · High · Grades 9–12 | Public | 61.4 Top 50% | 44.5% Math proficiency | 313 |
| 61 | Plainfield North High School Plainfield · High · Grades 9–12 | Public | 61.3 Top 50% | 54% Math proficiency | 2,399 |
| 62 | Roanoke-Benson High School Roanoke · High · Grades 9–12 | Public | 61.3 Top 50% | 34.5% Math proficiency | 146 |
| 63 | Glenbard West High School Glen Ellyn · High · Grades 9–12 | Public | 61.1 Top 50% | 54% Math proficiency | 2,330 |
| 64 | O Fallon High School O Fallon · High · Grades 9–12 | Public | 61.1 Top 50% | 53% Math proficiency | 2,540 |
| 65 | McHenry Community High School Mchenry · High · Grades 9–12 | Public | 60.9 Top 50% | 37.7% Free/reduced-price lunch | 2,214 |
| 66 | Calhoun High School Hardin · High · Grades 9–12 | Public | 60.7 Top 50% | 49.5% Math proficiency | 171 |
| 67 | Columbia High School Columbia · High · Grades 9–12 | Public | 60.6 Top 50% | 57% Math proficiency | 606 |
| 68 | Grayslake Central High School Grayslake · High · Grades 9–12 | Public | 60.5 Top 50% | 49% Math proficiency | 1,375 |
| 69 | Edwardsville High School Edwardsville · High · Grades 9–12 | Public | 60.2 Top 50% | 49% Math proficiency | 2,342 |
| 70 | Erie High School Erie · High · Grades 9–12 | Public | 59.8 Top 50% | 44.5% Math proficiency | 190 |
| 71 | Central High School Burilngton · High · Grades 9–12 | Public | 59.6 Top 50% | 50% Math proficiency | 1,575 |
| 72 | J B Conant High School Hoffman Estates · High · Grades 9–12 | Public | 59.5 Top 50% | 59% Math proficiency | 2,633 |
| 73 | Wheaton Warrenville South H S Wheaton · High · Grades 9–12 | Public | 59.4 Top 50% | 49% Math proficiency | 1,864 |
| 74 | Tremont High School Tremont · High · Grades 9–12 | Public | 59.2 Top 50% | 42% Math proficiency | 288 |
| 75 | Cary-Grove Community High School Cary · High · Grades 9–12 | Public | 58.8 Top 50% | 51% Math proficiency | 1,348 |
| 76 | Byron High School 9-12 Byron · High · Grades 9–12 | Public | 58.5 Top 50% | 37% Math proficiency | 464 |
| 77 | Glenbard South High School Glen Ellyn · High · Grades 9–12 | Public | 58.5 Top 50% | 50% Math proficiency | 1,090 |
| 78 | Dwight High School Dwight · High · Grades 9–12 | Public | 58.2 Top 50% | 44.5% Math proficiency | 211 |
| 79 | Sycamore High School Sycamore · High · Grades 9–12 | Public | 58.2 Top 50% | 46% Math proficiency | 1,161 |
| 80 | Dakota Jr Sr High School Dakota · High · Grades 7–12 | Public | 58.1 Top 50% | 37% Math proficiency | 344 |
| 81 | Okawville Jr/Sr High School Okawville · High · Grades 7–12 | Public | 58.1 Top 50% | 37% Math proficiency | 224 |
| 82 | Lincoln-Way East High School Frankfort · High · Grades 9–12 | Public | 58.0 Top 50% | 58% Math proficiency | 2,696 |
| 83 | Central Comm High School Breese · High · Grades 9–12 | Public | 57.9 Top 50% | 42% Math proficiency | 629 |
| 84 | Riverdale Sr High School Port Byron · High · Grades 9–12 | Public | 57.8 Top 50% | 37% Math proficiency | 324 |
| 85 | Batavia Sr High School Batavia · High · Grades 9–12 | Public | 57.6 Top 50% | 58% Math proficiency | 1,690 |
| 86 | Normal Community High School Normal · High · Grades 9–12 | Public | 57.4 Top 50% | 49% Math proficiency | 2,079 |
| 87 | Richmond-Burton High School Richmond · High · Grades 9–12 | Public | 57.4 Top 50% | 47% Math proficiency | 521 |
| 88 | Cerro Gordo Jr and Sr High Sch Cerro Gordo · High · Grades 6–12 | Public | 57.3 Top 50% | 37% Math proficiency | 228 |
| 89 | Hampshire High School Hampshire · High · Grades 9–12 | Public | 57.2 Top 50% | 50% Math proficiency | 2,046 |
| 90 | St Charles East High School Saint Charles · High · Grades 9–12 | Public | 57.0 Top 50% | 51% Math proficiency | 1,930 |
| 91 | Mt Zion High School Mount Zion · High · Grades 9–12 | Public | 56.8 Top 50% | 46% Math proficiency | 762 |
| 92 | Wesclin Sr High School Trenton · High · Grades 9–12 | Public | 56.8 Top 50% | 42% Math proficiency | 343 |
| 93 | Waterloo High School Waterloo · High · Grades 9–12 | Public | 56.7 Top 50% | 45% Math proficiency | 876 |
| 94 | Eastland Jr/Sr High School Lanark · High · Grades 7–12 | Public | 56.6 Top 50% | 47% Math proficiency | 298 |
| 95 | Orion High School Orion · High · Grades 9–12 | Public | 56.3 Top 50% | 47% Math proficiency | 285 |
| 96 | GCMS High School Gibson City · High · Grades 9–12 | Public | 56.1 Top 50% | 42% Math proficiency | 275 |
| 97 | Lincoln Way West New Lenox · High · Grades 9–12 | Public | 55.8 Top 50% | 58% Math proficiency | 2,047 |
| 98 | Riverside Brookfield Twp HS Riverside · High · Grades 9–12 | Public | 55.4 Top 50% | 54% Math proficiency | 1,663 |
| 99 | Heyworth Jr-Sr High School Heyworth · High · Grades 7–12 | Public | 55.2 Top 50% | 34% Math proficiency | 401 |
| 100 | Lincoln Park High School Chicago · High · Grades 9–12 | Public | 55.1 Top 50% | 52% Math proficiency | 2,214 |
Lake Forest High School in Lake Forest leads the 2025 list of high schools in Illinois with a Success Index (US) of 87.4. Of the 100 schools shown, 99 are public, 1 are charter.
Scores are percentiles within school type, so a elementary school and a high school with the same score sit at the same point in their own distributions. Use the rankings to build a shortlist, then visit the schools and ask how they support students at your child's level.
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What is the best high school in Illinois?
Lake Forest High School in Lake Forest ranks first among high schools in Illinois with a Success Index (US) of 87.4 out of 100 (Enrollment: 1,359).
How are high schools in Illinois ranked?
Each school's Success Index (US) combines 4 factors: math proficiency (30%), reading proficiency (30%), community advantage (fewer free/reduced-price lunch) (25%), students per teacher (15%). Each factor is a percentile against schools of the same type across United States. Schools with fewer than 60 students are excluded from rankings.
Are these 2025 rankings official?
No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.