Best traditional public schools in St. Tammany Parish (2025)
District-run public schools. Ranked by the Success Index (US) from official American data; 55 schools in St. Tammany Parish, Louisiana. Rank positions shown on each profile are within United States and Louisiana.
- 193Mandeville Junior High SchoolMandeville · Public Middle84% Math proficiency · 510 students
- 293Woodlake Elementary SchoolMandeville · Public Elementary87% Math proficiency · 442 students
- 393Pontchartrain Elementary SchoolMandeville · Public Elementary87% Math proficiency · 636 students
- 491Magnolia Trace Elementary SchoolMandeville · Public Elementary87% Math proficiency · 355 students
- 591Gayle Sloan Middle SchoolMandeville · Public Middle83% Math proficiency · 502 students
- 691L.P. Monteleone Junior High SchoolMandeville · Public Middle82% Math proficiency · 349 students
- 791Mandeville Elementary SchoolMandeville · Public Elementary82% Math proficiency · 508 students
- 891Tchefuncte Middle SchoolMandeville · Public Middle88% Math proficiency · 682 students
- 990Lake Harbor Middle SchoolMandeville · Public Middle89% Math proficiency · 582 students
- 1088Madisonville Junior High SchoolMadisonville · Public Middle79% Math proficiency · 647 students
- 1187Mandeville High SchoolMandeville · Public High88% Math proficiency · 2,006 students
- 1287Lee Road Junior High SchoolCovington · Public Elementary80% Math proficiency · 727 students
- 1386Folsom Elementary SchoolFolsom · Public Elementary97.5% Math proficiency · 453 students
- 1486Joseph B. Lancaster Elementary SchoolMadisonville · Public Elementary87% Math proficiency · 1,480 students
- 1585Fontainebleau Junior High SchoolMandeville · Public Middle77% Math proficiency · 784 students
- 1685Whispering Forest Elementary SchoolSlidell · Public Elementary82% Math proficiency · 453 students
- 1785Fifth Ward Junior High SchoolBush · Public Elementary77% Math proficiency · 440 students
- 1884Abita Springs Elementary SchoolAbita Springs · Public Elementary77% Math proficiency · 587 students
- 1984Madisonville Elementary SchoolMadisonville · Public Elementary25% Free/reduced-price lunch · 1,010 students
- 2083Honey Island Elementary SchoolSlidell · Public Elementary80% Math proficiency · 607 students
- 2183Sixth Ward Elementary SchoolPearl River · Public Elementary82% Math proficiency · 335 students
- 2283Fontainebleau High SchoolMandeville · Public High79% Math proficiency · 1,451 students
- 2383Little Oak Middle SchoolSlidell · Public Middle80% Math proficiency · 847 students
- 2483Riverside Elementary SchoolPearl River · Public Elementary78% Math proficiency · 420 students
- 2582E. E. Lyon Elementary SchoolCovington · Public Elementary87% Math proficiency · 628 students
- 2682Abita Springs Middle SchoolAbita Springs · Public Middle77% Math proficiency · 435 students
- 2781Boyet Junior High SchoolSlidell · Public Middle72% Math proficiency · 644 students
- 2881Covington Elementary SchoolCovington · Public Elementary72% Math proficiency · 551 students
- 2981Northshore High SchoolSlidell · Public High85% Math proficiency · 1,518 students
- 3081Folsom Junior High SchoolFolsom · Public Middle71% Math proficiency · 183 students
- 3180Bonne Ecole Elementary SchoolSlidell · Public Elementary75% Math proficiency · 651 students
- 3280Bayou Woods Elementary SchoolSlidell · Public Elementary82% Math proficiency · 431 students
- 3380Chahta-Ima Elementary SchoolLacombe · Public Elementary77% Math proficiency · 319 students
- 3479Marigny Elementary SchoolMandeville · Public Elementary29.1% Free/reduced-price lunch · 422 students
- 3578Lakeshore High SchoolMandeville · Public High71% Math proficiency · 835 students
- 3677Henry Mayfield Elementary SchoolSlidell · Public Elementary71% Math proficiency · 749 students
- 3776Clearwood Junior High SchoolSlidell · Public Middle64% Math proficiency · 539 students
- 3875Bayou Lacombe MiddleLacombe · Public Middle72% Math proficiency · 209 students
- 3972Alton Elementary SchoolSlidell · Public Elementary77% Math proficiency · 208 students
- 4071Carolyn Park MiddleSlidell · Public Middle71% Math proficiency · 233 students
- 4170Slidell High SchoolSlidell · Public High72% Math proficiency · 1,654 students
- 4270Slidell Junior High SchoolSlidell · Public Middle61% Math proficiency · 724 students
- 4369Florida Avenue Elementary SchoolSlidell · Public Elementary60% Math proficiency · 440 students
- 4469Glynn H. Brock Elementary SchoolSlidell · Public Elementary67% Math proficiency · 345 students
- 4569Pine View Middle SchoolCovington · Public Middle61% Math proficiency · 694 students
- 4668William Pitcher Junior High SchoolCovington · Public Middle51% Math proficiency · 266 students
- 4768Creekside Junior HighPearl River · Public Middle57% Math proficiency · 447 students
- 4868Pearl River High SchoolPearl River · Public High67% Math proficiency · 781 students
- 4967Covington High SchoolCovington · Public High62% Math proficiency · 1,600 students
- 5067Cypress Cove Elementary SchoolSlidell · Public Elementary49.6% Free/reduced-price lunch · 593 students
- 5166W.L. Abney ElementarySlidell · Public Elementary61% Math proficiency · 936 students
- 5264Salmen High SchoolSlidell · Public High66% Math proficiency · 1,091 students
- 5363Little Pearl Elementary SchoolPearl River · Public Elementary50% Free/reduced-price lunch · 98 students
- 5461St. Tammany Junior High SchoolSlidell · Public Middle55% Math proficiency · 686 students
- 5545Abney Elementary Early Childhood CenterSlidell · Public Elementary73% Free/reduced-price lunch · 233 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Mandeville Junior High School Mandeville · Middle · Grades 7–8 | Public | 93.4 Top 5% | 84% Math proficiency | 510 |
| 2 | Woodlake Elementary School Mandeville · Elementary · Grades PK–3 | Public | 93.3 Top 5% | 87% Math proficiency | 442 |
| 3 | Pontchartrain Elementary School Mandeville · Elementary · Grades PK–3 | Public | 92.6 Top 5% | 87% Math proficiency | 636 |
| 4 | Magnolia Trace Elementary School Mandeville · Elementary · Grades 2–3 | Public | 91.2 Top 5% | 87% Math proficiency | 355 |
| 5 | Gayle Sloan Middle School Mandeville · Middle · Grades 4–6 | Public | 91.1 Top 5% | 83% Math proficiency | 502 |
| 6 | L.P. Monteleone Junior High School Mandeville · Middle · Grades 7–8 | Public | 91.1 Top 5% | 82% Math proficiency | 349 |
| 7 | Mandeville Elementary School Mandeville · Elementary · Grades PK–3 | Public | 91.0 Top 5% | 82% Math proficiency | 508 |
| 8 | Tchefuncte Middle School Mandeville · Middle · Grades 4–6 | Public | 90.6 Top 5% | 88% Math proficiency | 682 |
| 9 | Lake Harbor Middle School Mandeville · Middle · Grades 4–6 | Public | 89.8 Top 5% | 89% Math proficiency | 582 |
| 10 | Madisonville Junior High School Madisonville · Middle · Grades 7–8 | Public | 88.4 Top 5% | 79% Math proficiency | 647 |
| 11 | Mandeville High School Mandeville · High · Grades 9–12 | Public | 86.9 Top 5% | 88% Math proficiency | 2,006 |
| 12 | Lee Road Junior High School Covington · Elementary · Grades PK–8 | Public | 86.5 Top 5% | 80% Math proficiency | 727 |
| 13 | Folsom Elementary School Folsom · Elementary · Grades PK–5 | Public | 86.1 Top 5% | 97.5% Math proficiency | 453 |
| 14 | Joseph B. Lancaster Elementary School Madisonville · Elementary · Grades 3–6 | Public | 85.9 Top 5% | 87% Math proficiency | 1,480 |
| 15 | Fontainebleau Junior High School Mandeville · Middle · Grades 7–8 | Public | 85.2 Top 5% | 77% Math proficiency | 784 |
| 16 | Whispering Forest Elementary School Slidell · Elementary · Grades PK–3 | Public | 84.8 Top 5% | 82% Math proficiency | 453 |
| 17 | Fifth Ward Junior High School Bush · Elementary · Grades PK–8 | Public | 84.7 Top 10% | 77% Math proficiency | 440 |
| 18 | Abita Springs Elementary School Abita Springs · Elementary · Grades PK–3 | Public | 84.3 Top 10% | 77% Math proficiency | 587 |
| 19 | Madisonville Elementary School Madisonville · Elementary · Grades PK–2 | Public | 83.9 Top 10% | 25% Free/reduced-price lunch | 1,010 |
| 20 | Honey Island Elementary School Slidell · Elementary · Grades 2–3 | Public | 83.1 Top 10% | 80% Math proficiency | 607 |
| 21 | Sixth Ward Elementary School Pearl River · Elementary · Grades PK–5 | Public | 83.1 Top 10% | 82% Math proficiency | 335 |
| 22 | Fontainebleau High School Mandeville · High · Grades 9–12 | Public | 83.0 Top 10% | 79% Math proficiency | 1,451 |
| 23 | Little Oak Middle School Slidell · Middle · Grades 4–6 | Public | 82.9 Top 10% | 80% Math proficiency | 847 |
| 24 | Riverside Elementary School Pearl River · Elementary · Grades 1–5 | Public | 82.8 Top 10% | 78% Math proficiency | 420 |
| 25 | E. E. Lyon Elementary School Covington · Elementary · Grades PK–3 | Public | 82.2 Top 10% | 87% Math proficiency | 628 |
| 26 | Abita Springs Middle School Abita Springs · Middle · Grades 4–6 | Public | 81.8 Top 10% | 77% Math proficiency | 435 |
| 27 | Boyet Junior High School Slidell · Middle · Grades 7–8 | Public | 80.9 Top 10% | 72% Math proficiency | 644 |
| 28 | Covington Elementary School Covington · Elementary · Grades PK–3 | Public | 80.9 Top 10% | 72% Math proficiency | 551 |
| 29 | Northshore High School Slidell · High · Grades 9–12 | Public | 80.9 Top 10% | 85% Math proficiency | 1,518 |
| 30 | Folsom Junior High School Folsom · Middle · Grades 6–8 | Public | 80.8 Top 10% | 71% Math proficiency | 183 |
| 31 | Bonne Ecole Elementary School Slidell · Elementary · Grades PK–6 | Public | 80.4 Top 10% | 75% Math proficiency | 651 |
| 32 | Bayou Woods Elementary School Slidell · Elementary · Grades PK–3 | Public | 79.7 Top 25% | 82% Math proficiency | 431 |
| 33 | Chahta-Ima Elementary School Lacombe · Elementary · Grades PK–3 | Public | 79.6 Top 25% | 77% Math proficiency | 319 |
| 34 | Marigny Elementary School Mandeville · Elementary · Grades PK–1 | Public | 79.0 Top 25% | 29.1% Free/reduced-price lunch | 422 |
| 35 | Lakeshore High School Mandeville · High · Grades 9–12 | Public | 78.2 Top 10% | 71% Math proficiency | 835 |
| 36 | Henry Mayfield Elementary School Slidell · Elementary · Grades PK–6 | Public | 77.4 Top 25% | 71% Math proficiency | 749 |
| 37 | Clearwood Junior High School Slidell · Middle · Grades 4–8 | Public | 76.2 Top 25% | 64% Math proficiency | 539 |
| 38 | Bayou Lacombe Middle Lacombe · Middle · Grades 4–6 | Public | 74.6 Top 25% | 72% Math proficiency | 209 |
| 39 | Alton Elementary School Slidell · Elementary · Grades PK–5 | Public | 72.1 Top 25% | 77% Math proficiency | 208 |
| 40 | Carolyn Park Middle Slidell · Middle · Grades 4–6 | Public | 71.3 Top 25% | 71% Math proficiency | 233 |
| 41 | Slidell High School Slidell · High · Grades 9–12 | Public | 70.2 Top 25% | 72% Math proficiency | 1,654 |
| 42 | Slidell Junior High School Slidell · Middle · Grades 7–8 | Public | 69.5 Top 25% | 61% Math proficiency | 724 |
| 43 | Florida Avenue Elementary School Slidell · Elementary · Grades PK–6 | Public | 69.3 Top 25% | 60% Math proficiency | 440 |
| 44 | Glynn H. Brock Elementary School Slidell · Elementary · Grades PK–5 | Public | 69.3 Top 25% | 67% Math proficiency | 345 |
| 45 | Pine View Middle School Covington · Middle · Grades 4–6 | Public | 68.8 Top 25% | 61% Math proficiency | 694 |
| 46 | William Pitcher Junior High School Covington · Middle · Grades 7–8 | Public | 68.2 Top 25% | 51% Math proficiency | 266 |
| 47 | Creekside Junior High Pearl River · Middle · Grades 6–8 | Public | 68.1 Top 25% | 57% Math proficiency | 447 |
| 48 | Pearl River High School Pearl River · High · Grades 9–12 | Public | 68.0 Top 25% | 67% Math proficiency | 781 |
| 49 | Covington High School Covington · High · Grades 9–12 | Public | 67.4 Top 25% | 62% Math proficiency | 1,600 |
| 50 | Cypress Cove Elementary School Slidell · Elementary · Grades PK–1 | Public | 67.4 Top 50% | 49.6% Free/reduced-price lunch | 593 |
| 51 | W.L. Abney Elementary Slidell · Elementary · Grades 1–5 | Public | 66.1 Top 50% | 61% Math proficiency | 936 |
| 52 | Salmen High School Slidell · High · Grades 9–12 | Public | 64.2 Top 50% | 66% Math proficiency | 1,091 |
| 53 | Little Pearl Elementary School Pearl River · Elementary · Grades PK–K | Public | 62.9 Top 50% | 50% Free/reduced-price lunch | 98 |
| 54 | St. Tammany Junior High School Slidell · Middle · Grades 6–8 | Public | 60.6 Top 50% | 55% Math proficiency | 686 |
| 55 | Abney Elementary Early Childhood Center Slidell · Elementary · Grades PK–K | Public | 44.7 Lower 50% | 73% Free/reduced-price lunch | 233 |
Mandeville Junior High School in Mandeville leads the 2025 list of traditional public schools in St. Tammany Parish with a Success Index (US) of 93.4. Of the 55 schools shown, 55 are public.
For the full picture see the wider Louisiana traditional public schools rankings, every school on the St. Tammany Parish page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best public school in St. Tammany Parish?
Mandeville Junior High School in Mandeville, Louisiana ranks first among traditional public schools in St. Tammany Parish with a Success Index (US) of 93.4 out of 100 (Enrollment: 510).
How are traditional public schools in St. Tammany Parish 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.