Best elementary schools in Rialto Unified (2025)
Schools classified as elementary by NCES. Ranked by the Success Index (US) from official American data; 19 schools in Rialto Unified, California. Rank positions shown on each profile are within United States and California.
- 145W.J.C. Trapp ElementaryRialto · Public Elementary53% Math proficiency · 537 students
- 239Nancy R. Kordyak ElementaryFontana · Public Elementary40% Math proficiency · 718 students
- 339Samuel W. Simpson ElementaryRialto · Public Elementary42% Math proficiency · 638 students
- 428Helen L. Dollahan ElementaryRialto · Public Elementary34% Math proficiency · 608 students
- 527A. H. Morgan ElementaryRialto · Public Elementary34% Math proficiency · 487 students
- 626Sam V. Curtis ElementaryRialto · Public Elementary32% Math proficiency · 702 students
- 726Elizabeth T. Hughbanks ElementaryRialto · Public Elementary27% Math proficiency · 436 students
- 821Georgia F. Morris ElementaryColton · Public Elementary30% Math proficiency · 604 students
- 921J.P. Kelley ElementaryRialto · Public Elementary27% Math proficiency · 661 students
- 1020Dr. Ernest Garcia ElementaryColton · Public Elementary32% Math proficiency · 608 students
- 1120Dr. Edward Fitzgerald ElementaryRialto · Public Elementary23% Math proficiency · 414 students
- 1220Winn A. Myers ElementaryRialto · Public Elementary30% Math proficiency · 461 students
- 1319J. Calvin Boyd ElementaryRialto · Public Elementary24% Math proficiency · 569 students
- 1417Lida M. Henry ElementaryRialto · Public Elementary29% Math proficiency · 391 students
- 1513George H. Dunn ElementaryRialto · Public Elementary23% Math proficiency · 609 students
- 1613Lena M. Preston ElementaryRialto · Public Elementary18% Math proficiency · 471 students
- 1712Levi Bemis ElementaryRialto · Public Elementary15% Math proficiency · 566 students
- 1812Charlotte N. Werner ElementaryRialto · Public Elementary19% Math proficiency · 739 students
- 1911Merle S. Casey ElementaryRialto · Public Elementary21% Math proficiency · 563 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | W.J.C. Trapp Elementary Rialto · Elementary · Grades K–5 | Public | 44.9 Lower 50% | 53% Math proficiency | 537 |
| 2 | Nancy R. Kordyak Elementary Fontana · Elementary · Grades K–5 | Public | 38.9 Lower 50% | 40% Math proficiency | 718 |
| 3 | Samuel W. Simpson Elementary Rialto · Elementary · Grades K–5 | Public | 38.6 Lower 50% | 42% Math proficiency | 638 |
| 4 | Helen L. Dollahan Elementary Rialto · Elementary · Grades K–5 | Public | 28.0 Lower 50% | 34% Math proficiency | 608 |
| 5 | A. H. Morgan Elementary Rialto · Elementary · Grades K–5 | Public | 27.3 Lower 50% | 34% Math proficiency | 487 |
| 6 | Sam V. Curtis Elementary Rialto · Elementary · Grades K–5 | Public | 26.3 Lower 50% | 32% Math proficiency | 702 |
| 7 | Elizabeth T. Hughbanks Elementary Rialto · Elementary · Grades K–5 | Public | 25.5 Lower 50% | 27% Math proficiency | 436 |
| 8 | Georgia F. Morris Elementary Colton · Elementary · Grades K–5 | Public | 21.1 Lower 50% | 30% Math proficiency | 604 |
| 9 | J.P. Kelley Elementary Rialto · Elementary · Grades K–5 | Public | 20.8 Lower 50% | 27% Math proficiency | 661 |
| 10 | Dr. Ernest Garcia Elementary Colton · Elementary · Grades K–5 | Public | 20.3 Lower 50% | 32% Math proficiency | 608 |
| 11 | Dr. Edward Fitzgerald Elementary Rialto · Elementary · Grades K–5 | Public | 19.8 Lower 50% | 23% Math proficiency | 414 |
| 12 | Winn A. Myers Elementary Rialto · Elementary · Grades K–5 | Public | 19.5 Lower 50% | 30% Math proficiency | 461 |
| 13 | J. Calvin Boyd Elementary Rialto · Elementary · Grades K–5 | Public | 19.2 Lower 50% | 24% Math proficiency | 569 |
| 14 | Lida M. Henry Elementary Rialto · Elementary · Grades K–5 | Public | 17.4 Lower 50% | 29% Math proficiency | 391 |
| 15 | George H. Dunn Elementary Rialto · Elementary · Grades K–5 | Public | 13.0 Lower 50% | 23% Math proficiency | 609 |
| 16 | Lena M. Preston Elementary Rialto · Elementary · Grades K–5 | Public | 12.8 Lower 50% | 18% Math proficiency | 471 |
| 17 | Levi Bemis Elementary Rialto · Elementary · Grades K–5 | Public | 12.1 Lower 50% | 15% Math proficiency | 566 |
| 18 | Charlotte N. Werner Elementary Rialto · Elementary · Grades K–5 | Public | 11.9 Lower 50% | 19% Math proficiency | 739 |
| 19 | Merle S. Casey Elementary Rialto · Elementary · Grades K–5 | Public | 11.0 Lower 50% | 21% Math proficiency | 563 |
W.J.C. Trapp Elementary in Rialto leads the 2025 list of elementary schools in Rialto Unified with a Success Index (US) of 44.9. Of the 19 schools shown, 19 are public.
For the full picture see the wider California elementary schools rankings, every school on the Rialto Unified page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best elementary school in Rialto Unified?
W.J.C. Trapp Elementary in Rialto, California ranks first among elementary schools in Rialto Unified with a Success Index (US) of 44.9 out of 100 (Enrollment: 537).
How are elementary schools in Rialto Unified 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.