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Schools in 92376 — Rialto, California: 20 schools. Average score 6.5 points below the state. Here is what that number does — and doesn't — tell you.

92376 has 20 ranked schools in Rialto, averaging a Scope Score of 38.3/100 — 6.5 points below the state average of 44.8 (CDE CAASPP 2025). Scores range from 21.0 to 66.5, a 45.5-point spread.

Avg Scope Score
38.3
State avg: 44.8
SchoolScope composite
Score Range
45.5
21.0 – 66.5
Avg Exceeded %
12.3%
State avg: 21.3%
Chronic Absenteeism
27.4%
State avg: 17.9%
Schools Ranked
20
With Scope Scores

How 92376 schools perform

The top-ranked school is Samuel W. Simpson Elementary with a Scope Score of 66 and 30.4% of students exceeding standard.

Chronic absenteeism across 92376 averages 27.4%, above the state average of 17.9%. CDE CAASPP 2025.

How 92376 compares to nearby zip codes

ZipCitySchoolsAvg Scorevs 92376
92376Rialto20Developing
38.3/100
92377Rialto6Developing
40.1/100
+1.8
92374Redlands12Developing
43.0/100
+4.7
92373Redlands11Developing
47.4/100
+9.1
92371Phelan5Developing
33.7/100
-4.7

Source: CDE CAASPP 2025, analyzed by SchoolScope.

School archetypes in 92376

3 On the Rise1 Strong All-Around1 Culture First15 Building Momentum

Hidden gems: 3 schools in 92376 are classified as On the Rise (3) — 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

For the data nerds

All schools in 92376

ranked by Scope Score · 2024–25 CAASPP

#SchoolExceededScore
1Samuel W. Simpson Elementary
Rialto Unified Strong All-Around
30.4%Solid
66/100
2Eisenhower High
Rialto Unified Building Momentum
21.4%Solid
54/100
3Rialto High
Rialto Unified Building Momentum
16.6%Developing
46/100
4Zupanic Virtual Academy
Rialto Unified Building Momentum
10.1%Developing
42/100
5Winn A. Myers Elementary
Rialto Unified On the Rise
12.4%Developing
42/100
6A. H. Morgan Elementary
Rialto Unified Building Momentum
11.0%Developing
41/100
7Levi Bemis Elementary
Rialto Unified On the Rise
13.4%Developing
40/100
8J. Calvin Boyd Elementary
Rialto Unified Building Momentum
9.2%Developing
38/100
9Vista Norte Public Charter
Helendale Elementary Building Momentum
18.2%Developing
37/100
10Sam V. Curtis Elementary
Rialto Unified Building Momentum
14.5%Developing
37/100
11Rialto Middle
Rialto Unified Building Momentum
11.3%Developing
37/100
12J.P. Kelley Elementary
Rialto Unified On the Rise
8.3%Developing
37/100
13Lida M. Henry Elementary
Rialto Unified Building Momentum
12.1%Developing
36/100
14George H. Dunn Elementary
Rialto Unified Building Momentum
11.3%Developing
35/100
15Helen L. Dollahan Elementary
Rialto Unified Culture First
14.3%Developing
34/100
16Charlotte N. Werner Elementary
Rialto Unified Building Momentum
5.5%Developing
33/100
17Merle S. Casey Elementary
Rialto Unified Building Momentum
7.6%Developing
32/100
18Lena M. Preston Elementary
Rialto Unified Building Momentum
10.8%Developing
31/100
19Dr. John H. Milor High Continuation
Rialto Unified Building Momentum
1.4%Needs Support
26/100
20Warren F. Frisbie Middle
Rialto Unified Building Momentum
5.7%Needs Support
21/100
Source: CDE CAASPP 2025 · 20 schools in 92376Methodology · Explore all schools

Schools in 92376 on the map

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.

What Scope Scores can't tell you about 92376

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

Frequently asked questions

Are the schools in 92376 (Rialto) good?
92376 has 20 ranked schools in Rialto, averaging a Scope Score of 38.3/100 — 6.5 points below the state average. 12.3% of students exceed the state standard on average. Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.
What is the best school in 92376?
The highest-scoring school in zip code 92376 is Samuel W. Simpson Elementary with a Scope Score of 66/100 and 30.4% of students exceeding the state standard. See full methodology.
How do 92376 schools compare to the state average?
Schools in zip code 92376 average a Scope Score of 38.3/100 — 6.5 points below the state average of 44.8. The exceeded rate averages 12.3% vs. 21.3% statewide.
How many schools are in zip code 92376?
Zip code 92376 has 20 ranked 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 seven dimensions of publicly available California school data: the exceeded-vs-met standard split, overall proficiency, grade 3–5 growth, chronic absenteeism, suspension rate, ELPAC English Learner proficiency, and baseline proficiency. Full methodology and weights.