Elementary Schools in Rialto, California: 16 schools. Average score 7.3 points below the state. Here is what that number does — and doesn't — tell you.
Rialto, California has 16 ranked elementary schools with an average Scope Score of 31.5/100 — 7.3 points below the state average of 38.9. The highest-scoring school is Samuel W. Simpson Elementary at 62/100, where 30.4% of students exceed the state standard on the 2025 CAASPP assessment. Rialto schools average 12.6% exceeded standard (state: 21.4%) — this exceeded-vs-met distinction shows how many students go beyond the standard rather than only meeting it. Of 16 schools, 1 Growth Engine stand out for their performance profiles. Chronic absenteeism averages 22.2% (above the state average of 17.9%). Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.
Start with your child’s school level
The overview describes elementary schools. The lists below separate elementary, middle and high schools, so each school’s standing stays within its own comparison group. Open a profile to see the underlying results, student support and questions to ask on a visit.
Every school in Rialto
ranked by Scope Score · 2024–25 CAASPP · levels never mixed
Elementary Schools (17)
| # | School | Exceeded | Score |
|---|---|---|---|
| 1 | Samuel W. Simpson Elementary Rialto Unified | 30.4% | 88th percentile · StrongScope Score 62/100 |
| 2 | W.J.C. Trapp Elementary Rialto Unified | 20.5% | 53rd percentile · SolidScope Score 37/100 |
| 3 | Winn A. Myers Elementary Rialto Unified | 12.4% | 46th percentile · DevelopingScope Score 34/100 |
| 4 | A. H. Morgan Elementary Rialto Unified | 11.0% | 43rd percentile · DevelopingScope Score 33/100 |
| 5 | Dr. Edward Fitzgerald Elementary Rialto Unified | 12.3% | 43rd percentile · DevelopingScope Score 33/100 |
| 6 | Levi Bemis Elementary Rialto Unified | 13.4% | 42nd percentile · DevelopingScope Score 33/100 |
| 7 | Vista Norte Public Charter Helendale Elementary alternative school | 18.2% | 64th percentile · SolidWithin its own school classScope Score 32/100 |
| 8 | J. Calvin Boyd Elementary Rialto Unified | 9.2% | 36th percentile · DevelopingScope Score 30/100 |
| 9 | Sam V. Curtis Elementary Rialto Unified | 14.5% | 35th percentile · DevelopingScope Score 30/100 |
| 10 | J.P. Kelley Elementary Rialto Unified | 8.3% | 33rd percentile · DevelopingScope Score 29/100 |
| 11 | Lida M. Henry Elementary Rialto Unified | 12.1% | 32nd percentile · DevelopingScope Score 29/100 |
| 12 | Helen L. Dollahan Elementary Rialto Unified | 14.3% | 28th percentile · DevelopingScope Score 28/100 |
| 13 | George H. Dunn Elementary Rialto Unified | 11.3% | 28th percentile · DevelopingScope Score 28/100 |
| 14 | Charlotte N. Werner Elementary Rialto Unified | 5.5% | 23rd percentile · Needs SupportScope Score 25/100 |
| 15 | Elizabeth T. Hughbanks Elementary Rialto Unified | 7.3% | 21st percentile · Needs SupportScope Score 25/100 |
| 16 | Lena M. Preston Elementary Rialto Unified | 10.8% | 20th percentile · Needs SupportScope Score 24/100 |
| 17 | Merle S. Casey Elementary Rialto Unified | 7.6% | 19th percentile · Needs SupportScope Score 24/100 |
Middle Schools (4)
| # | School | Exceeded | Score |
|---|---|---|---|
| 1 | Rialto Middle Rialto Unified | 11.3% | 39th percentile · DevelopingScope Score 32/100 |
| 2 | Ethel Kucera Middle Rialto Unified | 11.0% | 35th percentile · DevelopingScope Score 30/100 |
| 3 | Ben F. Kolb Middle Rialto Unified | 13.6% | 34th percentile · DevelopingScope Score 29/100 |
| 4 | Warren F. Frisbie Middle Rialto Unified | 5.7% | 2nd percentile · Needs SupportScope Score 12/100 |
High Schools (5)
| # | School | Exceeded | Score |
|---|---|---|---|
| 1 | Eisenhower High Rialto Unified | 21.4% | 68th percentile · SolidScope Score 59/100 |
| 2 | Wilmer Amina Carter High Rialto Unified | 22.6% | 66th percentile · SolidScope Score 58/100 |
| 3 | Rialto High Rialto Unified | 16.6% | 41st percentile · DevelopingScope Score 50/100 |
| 4 | Zupanic Virtual Academy Rialto Unified alternative school | 10.1% | 94th percentile · StrongWithin its own school classScope Score 46/100 |
| 5 | Dr. John H. Milor High Continuation Rialto Unified continuation high school | 1.4% | 70th percentile · SolidWithin its own school classScope Score 28/100 |
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Data source: California Department of Education · CAASPP 2024-25 · Methodology
Scores are SchoolScope's analysis of public data, not official CDE ratings. They represent one way of interpreting test results and should not be the sole basis for school decisions.
Elementary school archetypes in Rialto
Hidden gems: 9 schools in Rialto are classified as On the Rise (8) or Growth Engine — showing positive growth trajectories that raw proficiency scores alone don't capture. These are schools where students leave with more than they arrived with.
Archetypes are data-driven labels based on Scope Score dimensions. Learn more
Private Schools in Rialto
Private schools don't participate in California's standardized testing (CAASPP) and cannot be scored or ranked. Showing enrollment, student-teacher ratio, and affiliation where available.
Numbers tell you whether students are clearing the bar. A school visit tells you whether they're happy doing it. These metrics are intentionally missing from the Scope Score: class sizes and student-teacher interaction quality; arts, music, athletics, and enrichment programs; teacher experience and turnover; campus safety and social-emotional support; parent and community engagement; quality of special education and gifted programs; how school zones and enrollment boundaries affect access. Full methodology