Largest Schools in Rockford (2025)
Schools with the highest enrollment. Ranked by the Success Index (US) from official American data; 40 schools in Rockford, Illinois. Rank positions shown on each profile are within United States and Illinois.
- 122Guilford High SchoolRockford · Public HighEnrollment: 2,216
- 214Jefferson High SchoolRockford · Public HighEnrollment: 2,173
- 328Auburn High SchoolRockford · Public HighEnrollment: 1,957
- 416Rockford East High SchoolRockford · Public HighEnrollment: 1,719
- 510Rockford Envrnmntl Science AcadRockford · Public MiddleEnrollment: 1,108
- 621Eisenhower Middle SchoolRockford · Public MiddleEnrollment: 963
- 714Bernard W Flinn Middle SchoolRockford · Public MiddleEnrollment: 807
- 812West Middle SchoolRockford · Public MiddleEnrollment: 793
- 911Abraham Lincoln Middle SchoolRockford · Public MiddleEnrollment: 736
- 1012Whitehead Elem SchoolRockford · Public ElementaryEnrollment: 678
- 1119Cherry Valley Elementary SchoolRockford · Public ElementaryEnrollment: 676
- 1226Montessori Elementary SchoolRockford · Public ElementaryEnrollment: 660
- 1312Barbour Two-Way Lang ImmersionRockford · Public ElementaryEnrollment: 628
- 1410Constance Lane Elementary SchoolRockford · Public ElementaryEnrollment: 623
- 1514Swan Hillman Elem SchoolRockford · Public ElementaryEnrollment: 581
- 169Riverdahl Elem SchoolRockford · Public ElementaryEnrollment: 535
- 1733Spring Creek Elem SchoolRockford · Public ElementaryEnrollment: 523
- 1810Washington Elementary SchoolRockford · Public ElementaryEnrollment: 523
- 1911West View Elem SchoolRockford · Public ElementaryEnrollment: 521
- 2083Thurgood Marshall SchoolRockford · Public MiddleEnrollment: 514
- 2120Rolling GreenRockford · Public ElementaryEnrollment: 505
- 2230Brookview Elem SchoolRockford · Public ElementaryEnrollment: 484
- 238R K Welsh Elem SchoolRockford · Public ElementaryEnrollment: 483
- 2414Ellis Elementary SchoolRockford · Public ElementaryEnrollment: 457
- 2525Arthur Froberg Elem SchoolRockford · Public ElementaryEnrollment: 426
- 2611C Henry Bloom Elem SchoolRockford · Public ElementaryEnrollment: 426
- 2719Maud E Johnson Elem SchoolRockford · Public ElementaryEnrollment: 425
- 2815Gregory Elem SchoolRockford · Public ElementaryEnrollment: 418
- 298McIntosh ElementaryRockford · Public ElementaryEnrollment: 398
- 3014Kennedy Middle SchoolRockford · Public MiddleEnrollment: 393
- 3116Clifford P Carlson Elem SchoolRockford · Public ElementaryEnrollment: 390
- 3226Galapagos Rockford Charter SchRockford · Charter ElementaryEnrollment: 384
- 339Lewis Lemon ElementaryRockford · Public ElementaryEnrollment: 378
- 3480Thurgood Marshall ElementaryRockford · Public ElementaryEnrollment: 374
- 3516Conklin Elem SchoolRockford · Public ElementaryEnrollment: 372
- 3612Julia Lathrop Elem SchoolRockford · Public ElementaryEnrollment: 357
- 3719Haskell Elementary SchoolRockford · Public ElementaryEnrollment: 301
- 3821Jackson Charter SchoolRockford · Charter ElementaryEnrollment: 243
- 3926Legacy Acad of Excellence CharterRockford · Charter ElementaryEnrollment: 234
- 4014Roosevelt CenterRockford · Public HighEnrollment: 60
| # | School | Sector | Enrollment | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|---|
| 1 | Guilford High School Rockford · High · Grades 9–12 | Public | 2,216 | 21.8 Lower 50% | 20% Math proficiency | 2,216 |
| 2 | Jefferson High School Rockford · High · Grades 9–12 | Public | 2,173 | 14.3 Lower 50% | 11% Math proficiency | 2,173 |
| 3 | Auburn High School Rockford · High · Grades 9–12 | Public | 1,957 | 27.5 Lower 50% | 29% Math proficiency | 1,957 |
| 4 | Rockford East High School Rockford · High · Grades 9–12 | Public | 1,719 | 16.2 Lower 50% | 10% Math proficiency | 1,719 |
| 5 | Rockford Envrnmntl Science Acad Rockford · Middle · Grades 6–8 | Public | 1,108 | 9.6 Lower 50% | 6% Math proficiency | 1,108 |
| 6 | Eisenhower Middle School Rockford · Middle · Grades 6–8 | Public | 963 | 20.9 Lower 50% | 14% Math proficiency | 963 |
| 7 | Bernard W Flinn Middle School Rockford · Middle · Grades 6–8 | Public | 807 | 14.4 Lower 50% | 6% Math proficiency | 807 |
| 8 | West Middle School Rockford · Middle · Grades 6–8 | Public | 793 | 11.5 Lower 50% | 4% Math proficiency | 793 |
| 9 | Abraham Lincoln Middle School Rockford · Middle · Grades 6–8 | Public | 736 | 11.1 Lower 50% | 7% Math proficiency | 736 |
| 10 | Whitehead Elem School Rockford · Elementary · Grades K–5 | Public | 678 | 11.6 Lower 50% | 11% Math proficiency | 678 |
| 11 | Cherry Valley Elementary School Rockford · Elementary · Grades K–5 | Public | 676 | 19.0 Lower 50% | 17% Math proficiency | 676 |
| 12 | Montessori Elementary School Rockford · Elementary · Grades PK–8 | Public | 660 | 26.1 Lower 50% | 12% Math proficiency | 660 |
| 13 | Barbour Two-Way Lang Immersion Rockford · Elementary · Grades K–8 | Public | 628 | 12.2 Lower 50% | 8% Math proficiency | 628 |
| 14 | Constance Lane Elementary School Rockford · Elementary · Grades K–5 | Public | 623 | 10.0 Lower 50% | 2.5% Math proficiency | 623 |
| 15 | Swan Hillman Elem School Rockford · Elementary · Grades K–5 | Public | 581 | 13.5 Lower 50% | 12% Math proficiency | 581 |
| 16 | Riverdahl Elem School Rockford · Elementary · Grades K–5 | Public | 535 | 9.1 Lower 50% | 6% Math proficiency | 535 |
| 17 | Spring Creek Elem School Rockford · Elementary · Grades K–5 | Public | 523 | 33.2 Lower 50% | 33% Math proficiency | 523 |
| 18 | Washington Elementary School Rockford · Elementary · Grades K–5 | Public | 523 | 10.0 Lower 50% | 4% Math proficiency | 523 |
| 19 | West View Elem School Rockford · Elementary · Grades K–5 | Public | 521 | 11.1 Lower 50% | 19% Math proficiency | 521 |
| 20 | Thurgood Marshall School Rockford · Middle · Grades 5–8 | Public | 514 | 82.9 Top 10% | 90% Math proficiency | 514 |
| 21 | Rolling Green Rockford · Elementary · Grades K–5 | Public | 505 | 20.1 Lower 50% | 14% Math proficiency | 505 |
| 22 | Brookview Elem School Rockford · Elementary · Grades K–5 | Public | 484 | 29.5 Lower 50% | 33% Math proficiency | 484 |
| 23 | R K Welsh Elem School Rockford · Elementary · Grades K–5 | Public | 483 | 7.9 Lower 50% | 3% Math proficiency | 483 |
| 24 | Ellis Elementary School Rockford · Elementary · Grades K–5 | Public | 457 | 14.2 Lower 50% | 0.5% Math proficiency | 457 |
| 25 | Arthur Froberg Elem School Rockford · Elementary · Grades K–5 | Public | 426 | 24.7 Lower 50% | 20% Math proficiency | 426 |
| 26 | C Henry Bloom Elem School Rockford · Elementary · Grades K–5 | Public | 426 | 11.1 Lower 50% | 7.5% Math proficiency | 426 |
| 27 | Maud E Johnson Elem School Rockford · Elementary · Grades K–5 | Public | 425 | 19.3 Lower 50% | 10% Math proficiency | 425 |
| 28 | Gregory Elem School Rockford · Elementary · Grades K–5 | Public | 418 | 15.0 Lower 50% | 12% Math proficiency | 418 |
| 29 | McIntosh Elementary Rockford · Elementary · Grades K–5 | Public | 398 | 8.0 Lower 50% | 2.5% Math proficiency | 398 |
| 30 | Kennedy Middle School Rockford · Middle · Grades 6–8 | Public | 393 | 14.4 Lower 50% | 3% Math proficiency | 393 |
| 31 | Clifford P Carlson Elem School Rockford · Elementary · Grades K–5 | Public | 390 | 15.8 Lower 50% | 22% Math proficiency | 390 |
| 32 | Galapagos Rockford Charter Sch Rockford · Elementary · Grades K–8 | Charter | 384 | 25.9 Lower 50% | 17% Math proficiency | 384 |
| 33 | Lewis Lemon Elementary Rockford · Elementary · Grades K–5 | Public | 378 | 9.1 Lower 50% | 2.5% Math proficiency | 378 |
| 34 | Thurgood Marshall Elementary Rockford · Elementary · Grades 1–4 | Public | 374 | 80.0 Top 10% | 88% Math proficiency | 374 |
| 35 | Conklin Elem School Rockford · Elementary · Grades K–6 | Public | 372 | 16.0 Lower 50% | 7.5% Math proficiency | 372 |
| 36 | Julia Lathrop Elem School Rockford · Elementary · Grades K–5 | Public | 357 | 11.8 Lower 50% | 14% Math proficiency | 357 |
| 37 | Haskell Elementary School Rockford · Elementary · Grades K–5 | Public | 301 | 19.0 Lower 50% | 2.5% Math proficiency | 301 |
| 38 | Jackson Charter School Rockford · Elementary · Grades K–5 | Charter | 243 | 20.5 Lower 50% | 0.5% Math proficiency | 243 |
| 39 | Legacy Acad of Excellence Charter Rockford · Elementary · Grades K–8 | Charter | 234 | 25.9 Lower 50% | 7.5% Math proficiency | 234 |
| 40 | Roosevelt Center Rockford · High · Grades 9–12 | Public | 60 | 13.9 Lower 50% | 0.5% Math proficiency | 60 |
Guilford High School in Rockford leads the 2025 list of largest schools in Rockford with Enrollment 2,216. Of the 40 schools shown, 37 are public, 3 are charter.
For the full picture see the wider Illinois largest schools rankings, every school on the Rockford page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best largest school in Rockford?
Guilford High School in Rockford, Illinois ranks first among largest schools in Rockford with Enrollment 2,216 (Enrollment: 2,216).
How are largest schools in Rockford ranked?
Schools with the highest enrollment. Only schools eligible for the Success Index (US) are included; the index is shown alongside for context.
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.