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Average

#5600 of 9,533 schools in CA

Rialto High

High School · Rialto Unified

595 South Eucalyptus Ave., Rialto, CA 92376

Enrollment

2,747

Student-Teacher

23.7:1

Score

6.0

Grades

9th – 12th

Updated 2022-23

How this school compares

In Rialto

#16 of 26

public schools

California high schools

#1,201 of 1,892

In district

#20 of 29

Rialto Unified

Academic performance

7.6 / 10

Very strong

About Rialto High

Rialto High serves 2,747 students in grades 9-12 in Rialto, California, operating as a comprehensive public high school in San Bernardino County. With 116 full-time equivalent teachers, the school maintains a student-teacher ratio of 23.7:1, typical for larger high schools in the region. Academically, Rialto High has room for growth, earning a 5.6 out of 10 rating from MySchoolScout and ranking in the 50th percentile among California high schools at #4761 out of 9566 schools statewide.

The school shows stronger performance in English Language Arts, where 56% of students score proficient or above across grade levels. Mathematics presents an area for continued focus, with 17% of students achieving proficiency. The school draws from a diverse community where the median household income is $71,825 and median home values reach $388,100.

The surrounding area has a poverty rate of 14.2%, and about 10% of residents hold bachelor's degrees or higher. With a population of over 85,000 in the 92376 ZIP code, Rialto High serves as an important educational anchor in this mid-size city setting, providing comprehensive high school education to families throughout the greater Rialto community.

What's said publicly about Rialto High

Sources: Wikipedia

Synthesized from public, attributable sources. Updated April 2026.

Rialto High School is a public high school located in San Bernardino, California, though it utilizes a Rialto postal address 2 . The institution opened in September 1992 2 .
Sources (1)
  1. en.wikipedia.org
Generated by AI from public sources. Every claim is grounded in a cited source. Report inaccuracy

What Parents Should Know

Rialto High is a large school with 2,747 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

The student-teacher ratio at Rialto High is 23.7:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.3Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-0.44 pts/yr
Data Period2019–2024
TrendStable
Academics7.6Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency17.1%
Reading/ELA Proficiency56.3%
Math vs. State Avg-10.9 pts
Reading vs. State Avg+0.4 pts
Overall Proficiency37%
Expected (poverty-adj.)25%
vs. Expected+11.8 pts
Adjusted Percentile64th
College Readiness3.9Fair30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation14.7%
IB ProgramNo
Resources & Environment5.4Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio23.7:1
Per-Pupil Spending$16,009

Rialto High — Students at Rialto High score 37% proficient, which is above what's typical for similar communities (expected: 25%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

87.4%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 21.6%
School
State
31.8%
ELA Proficiency 50.4%
School
State
51.5%

Based on 8 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
31%
ELA
48%
2021*
Math
21%
ELA
41%
2024
Math
17.2%
ELA
56.3%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 7.3/10.

How Rialto High Compares

See how Rialto High performs across key quality dimensions compared to state benchmarks.

Overall Score
6.0/10
41th percentile in CA
Academic
7.6/10
7.6/10
Growth
7.3/10
Above average
Environment
5.4/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
87%
Teaching Staff
24:1 student-teacher ratio
116 teachers

Location

595 South Eucalyptus Ave., Rialto, CA 92376

Nearby Alternatives

Families considering Rialto High may also want to explore other high schools in the area. Colton High (rated 8.5/10, 1.8 miles away, in nearby Colton), which scores notably higher. Additionally, Dr. John H. Milor High Continuation (rated 6.5/10, 1.1 miles away), which scores slightly higher. For more schools in Rialto, see our Rialto schools guide .

Nearby Schools

20 within 2.0 mi
School Distance Rating
William G. Jehue Middle Colton 0.4 mi 6.6
Georgia F. Morris Elementary Colton 0.5 mi 7.8
J.P. Kelley Elementary Rialto 0.4 mi 4.3
Dr. Ernest Garcia Elementary Colton 0.5 mi 7.7
J. Calvin Boyd Elementary Rialto 0.6 mi 4.6
Merle S. Casey Elementary Rialto 1.0 mi 6.3
Paul Rogers Elementary Colton 1.0 mi 5.0
ST CATHERINE OF SIENA SCHOOL Rialto 1.2 mi 4.9
Zupanic Virtual Academy Rialto 1.1 mi 7.5
Dr. John H. Milor High Continuation Rialto 1.1 mi 6.5
William McKinley Elementary Colton 1.3 mi 5.0
Colton Middle Colton 1.4 mi 5.8
Sam V. Curtis Elementary Rialto 1.4 mi 5.4
Levi Bemis Elementary Rialto 1.7 mi 6.2
Lida M. Henry Elementary Rialto 1.8 mi 6.1
Samuel W. Simpson Elementary Rialto 1.6 mi 8.5
Winn A. Myers Elementary Rialto 1.9 mi 6.5
Ulysses Grant Elementary Colton 1.7 mi 5.6
Colton High Colton 1.8 mi 8.5
Joe Baca Bloomington 2.0 mi 5.5

Neighborhood Census ACS (2019-2023)

Census data for ZIP 92376 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$76,914

Median Home Value

$433,100

Median Rent

$1,613/mo

Population

84,161

College Educated

10.4%

Homeownership

60%

Avg Commute

32.4 min

Poverty Rate

14.5%

Median Age

31.2

Community Profile

The community surrounding Rialto High has a median household income of $76,914. It is a community where 10% of adults hold a bachelor's degree or higher. The median home value in the area is $433,100, with a median rent of $1,613/month. The area has a poverty rate of 14.5%. The average commute for residents is 32 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
El Capitan High Lakeside, CA 6.0
Fontana A. B. Miller High Fontana, CA 6.0
Frontier High Bakersfield, CA 6.0
Glendale High Glendale, CA 6.0
Heritage High Brentwood, CA 6.0
River City High West Sacramento, CA 6.0

Frequently Asked Questions

Common questions about Rialto High

What grades does Rialto High serve?

Rialto High serves students in grades 9th through 12th.

How many students attend Rialto High?

Rialto High has an enrollment of approximately 2,747 students.

What is the student-teacher ratio at Rialto High?

The student-teacher ratio at Rialto High is 23.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Rialto High rank in CA?

Rialto High is ranked #5600 out of 9,533 schools in CA.

What is Rialto High's MySchoolScout rating?

Rialto High has a composite rating of 6.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Rialto High?

Based on the most recent state assessment data, Rialto High has 21.6% math proficiency and 50.4% reading/ELA proficiency.

Is Rialto High a charter school?

No, Rialto High is not a charter school. It is a traditional public school operated by the local school district.

Is Rialto High a Title I school?

No, Rialto High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Rialto High?

87.4% of students at Rialto High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
46 Car-Dependent
Transit Score
26 Some Transit
Bike Score
39 Somewhat Bikeable
City Safety
High (3,065/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Rialto). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,747
Student-Teacher Ratio
23.7:1
Teachers (FTE)
116
Free/Reduced Lunch
87.4%
Type
regular
Setting
Midsize City
County
San Bernardino County
Data Year
2023–2024

District

Rialto Unified
District Enrollment
23,461
Schools in District
30
Per-Pupil Spending
$18,135
District Rank
#20 of 29

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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