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Elementary Schools in Rialto, California

Below Average2024–25 data25 schools · avg 37.3/100

Rialto, California has 25 ranked elementary schools with an average Scope Score of 37.3/100 — 6.5 points below the California state average of 43.8. The highest-scoring school is Samuel W. Simpson Elementary at 60/100, where 30.4% of students exceed the state standard on the 2025 CAASPP assessment. Rialto schools average 12.6% exceeded standard (state: 21.6%) — this exceeded-vs-met distinction reveals whether schools push students beyond proficiency or pace toward it. Chronic absenteeism averages 25.1% (above the state average of 18.1%). Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.

Avg Scope Score
37.3
State avg: 43.8
SchoolScope composite
Score Range
41.3
19.0 – 60.3
Avg Exceeded %
12.6%
State avg: 21.6%
CDE CAASPP 2025
Chronic Absenteeism
25.1%
State avg: 18.1%
CDE Attendance 2025
Schools Ranked
25
With Scope Scores

How Rialto schools compare

Rialto's 25 ranked elementary schools average a Scope Score of 37.3 — 6.5 points below the California state average of 43.8. Scores range from 19.0 to 60.3, a 41.3-point spread.

The top-ranked school is Samuel W. Simpson Elementary with a Scope Score of 60 and 30.4% of students exceeding standard.

Chronic absenteeism in Rialto averages 25.1%, which is below the state average of 18.1%.

How we score · Scope Score weights exceeded (40%), met (22%), growth (15%), absenteeism (10%), suspension (5%), ELPAC (5%), baseline (3%)

School archetypes in Rialto

2 Culture First1 Strong All-Around22 Building Momentum

Archetypes are data-driven labels based on Scope Score dimensions. Learn more

Schools in Rialto ranked by Scope Score

#SchoolExceededScore
1Samuel W. Simpson Elementary
Rialto Unified Strong All-Around
30.4%Solid
60/100
2Eisenhower High
Rialto Unified Building Momentum
21.4%Solid
60/100
3Wilmer Amina Carter High
Rialto Unified Building Momentum
22.6%Solid
59/100
4Rialto High
Rialto Unified Building Momentum
16.6%Solid
51/100
5Zupanic Virtual Academy
Rialto Unified Building Momentum
10.1%Developing
47/100
6W.J.C. Trapp Elementary
Rialto Unified Culture First
20.5%Developing
46/100
7Winn A. Myers Elementary
Rialto Unified Building Momentum
12.4%Developing
38/100
8Dr. Edward Fitzgerald Elementary
Rialto Unified Building Momentum
12.3%Developing
38/100
9A. H. Morgan Elementary
Rialto Unified Building Momentum
11.0%Developing
37/100
10Helen L. Dollahan Elementary
Rialto Unified Culture First
14.3%Developing
35/100
11Ben F. Kolb Middle
Rialto Unified Building Momentum
13.6%Developing
35/100
12Levi Bemis Elementary
Rialto Unified Building Momentum
13.4%Developing
34/100
13J. Calvin Boyd Elementary
Rialto Unified Building Momentum
9.2%Developing
33/100
14Lida M. Henry Elementary
Rialto Unified Building Momentum
12.1%Developing
33/100
15Sam V. Curtis Elementary
Rialto Unified Building Momentum
14.5%Developing
33/100
16Ethel Kucera Middle
Rialto Unified Building Momentum
11.0%Developing
33/100
17J.P. Kelley Elementary
Rialto Unified Building Momentum
8.3%Developing
33/100
18George H. Dunn Elementary
Rialto Unified Building Momentum
11.3%Developing
32/100
19Rialto Middle
Rialto Unified Building Momentum
11.3%Developing
31/100
20Elizabeth T. Hughbanks Elementary
Rialto Unified Building Momentum
7.3%Developing
30/100
21Lena M. Preston Elementary
Rialto Unified Building Momentum
10.8%Needs Support
30/100
22Dr. John H. Milor High Continuation
Rialto Unified Building Momentum
1.4%Needs Support
29/100
23Charlotte N. Werner Elementary
Rialto Unified Building Momentum
5.5%Needs Support
28/100
24Merle S. Casey Elementary
Rialto Unified Building Momentum
7.6%Needs Support
28/100
25Warren F. Frisbie Middle
Rialto Unified Building Momentum
5.7%Needs Support
19/100

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.

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.

Calvary Chapel Rialto Christian School
Brethren · Grades Pre-K-8 · 164 students
14:1Private
St. Catherine of Siena School
Roman Catholic · Grades Pre-K-8 · 156 students
17:1Private

What Scope Scores can't tell you about Rialto

  • Class sizes and student-teacher interaction quality
  • Quality of arts, music, athletics, and enrichment programs
  • Teacher experience, turnover, and professional development
  • Campus safety, bullying climate, and social-emotional support
  • Parent and community engagement levels
  • Quality of special education and gifted programs
  • How school zones and enrollment boundaries affect access

Scope Scores measure academic performance and school climate using public data. They are one lens among many. Full methodology

Frequently asked questions

Are the schools in Rialto good?
Rialto's 25 ranked elementary schools average a Scope Score of 37.3/100, which is 6.5 points below the California state average of 43.8. 12.6% of students exceed the state standard on average (state average: 21.6%). The Scope Score weights six dimensions: exceeded standard (40%), met standard (22%), grade-level growth (15%), chronic absenteeism (10%), suspension rate (5%), and ELPAC proficiency (5%). Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.
What is the best elementary school in Rialto?
The highest-scoring elementary school in Rialto is Samuel W. Simpson Elementary with a Scope Score of 60/100 and 30.4% of students exceeding the state standard. Rankings are based on SchoolScope's 2025 Scope Score, which measures academic performance and school climate using publicly available California data. See full methodology.
How do Rialto schools compare to the state average?
Rialto elementary schools average a Scope Score of 37.3 vs. the statewide average of 43.8 (6.5 points below). The exceeded rate averages 12.6% vs. 21.6% statewide. Chronic absenteeism averages 25.1% vs. 18.1% statewide. Scores range from 19.0 to 60.3, a 41.3-point spread.
How many schools are in Rialto?
Rialto has 25 ranked elementary schools with Scope Scores. Schools are ranked using a weighted composite of CAASPP test performance, growth trajectory, chronic absenteeism, and suspension rate. Schools with insufficient testing data are not ranked.
What does the Scope Score measure?
The Scope Score is SchoolScope's proprietary composite rating (0–100) based on six dimensions of publicly available California school data: the exceeded-vs-met standard split, overall proficiency, grade 3–5 growth, chronic absenteeism, suspension rate, and ELPAC English Learner proficiency. Unlike single-number ratings, the Scope Score separates students who "exceeded" from those who "met" the standard — revealing whether a school pushes students beyond proficiency or paces toward it. Full methodology and weights.

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