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
Enrollment
2,747
Student-Teacher
23.7:1
Score
6.0
Grades
9th – 12th
Updated
2022-23
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
Synthesized from public, attributable sources. Updated April 2026.
Sources (1)
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 metricsView breakdown
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Rialto High — Students at Rialto High score 37% proficient, which is above what's typical for similar communities (expected: 25%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
87.4%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 8 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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.
Funding & Resources
Performance Trends
Math proficiency has declined from 31% (2019) to 17.15% (2024). Reading/ELA proficiency has improved from 48% (2019) to 56.29% (2024).
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.
Explore More Schools
Neighborhood Context
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
- Phone
- (909) 421-7500
- Data Year
- 2023–2024
Resources & Links
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.
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