How does Rialto High compare to other high schools in Rialto?

Rialto High has a Scope Score of 55.6/100, ranked #766 among California high schools. 17% of students exceed standard, with a total of 1,216 students tested across grades and subjects.

What percentage of students exceed standards at Rialto High?

16.6% of students at Rialto High exceed the state standard on CAASPP assessments, while 42.7% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

What is the chronic absenteeism rate at Rialto High?

18.9% of students at Rialto High are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in the Scope Score.

Rialto High

High School

Rialto Unified RialtoSan Bernardino County92376

📍 595 South Eucalyptus Avenue

Scope Score

out of 100

State Rank

of 1,649 California high schools

🌱

Building Momentum

Every school has strengths the data doesn’t fully capture. Visit and see for yourself.

Scope Scores are SchoolScope's analysis of public data from the California Dept. of Education (CAASPP, chronic absenteeism, suspension rates). They are not official CDE ratings and should not be the sole basis for school decisions. See methodology.

School overview

Enrollment

2,747 students

Student-Teacher Ratio

24:1

Free/Reduced Lunch

87%

Teachers

116 full-time

College & career readiness

Graduation Rate

92.9%

AP Exam Prepared

27.4%

A-G Completion

64.4%

College-Going Rate

57.3%

Data source: California Department of Education — ACGR, CCI, CGR reports

Dashboard indicators

How this school's scores changed from last year to this year

ELA Year-over-Year

Increased Significantly

+15.2 pts DFS change

Math Year-over-Year

Increased

+9.4 pts DFS change

EL Proficiency (ELPAC)

9.3%

English learners at Level 4 (Well Developed) · 483 tested

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic90.9%

White1.9%

Asian0.9%

Black4.7%

Other1.6%

Performance breakdown

Performance breakdown for Rialto High
Category	Percentage
Exceeded Standard	16.6%
Met Standard	26.2%
Below Standard	57.3%

Score Factors

Helping

✓Graduation rate: 92.9%

5.5pp above state avg (state avg 87.4%)

25% weight

✓Exceeded standard: 16.6%

0.8pp above state avg (state avg 15.7%)

20% weight

✓Met or exceeded: 42.7%

8.0pp above state avg (state avg 34.8%)

15% weight

✓Chronic absenteeism: 18.9%

15.4pp below state avg (state avg 34.3%)

10% weight

✓Baseline proficiency: 42.7%

Above state baseline (state avg 34.8%)

5% weight

✓Suspension rate: 2.5%

1.6pp below state avg (state avg 4.1%)

5% weight

Holding Back

▼College readiness: 27.4%

AP exam pass rate below state avg (state avg 35.3%)

20% weight

Unlike traditional school ratings, we show our work. Every factor, its weight, and how this school compares to the state average — so you can decide what matters most to your family. The high school Scope Score is weighted across 7 dimensions. See full methodology →

What other rankings don't show you

Most rating sites report "43% proficient" for Rialto High and stop there. Here's what that number hides:

16.6% of students exceeded standard while 26.2% met it. That exceeded rate is near the state average of 15.7%. That's 3.8 points above the Rialto Unified district average of 12.7%. Compared to the 3 nearby schools within ~3 miles, this exceeded rate is 5.6 points higher (vs 11.0% average). The gap between "met" and "exceeded" can reveal how much a school's curriculum challenges students beyond proficiency.

The graduation rate is 92.9% — above the state target. 64.4% of students complete A-G requirements for UC/CSU eligibility — a strong college readiness signal. 57.3% of graduates go on to college within a year.

Chronic absenteeism is 18.9%, better than the state average of 34.3%.

Why the exceeded vs. met split matters →

Key metrics

% Exceeded Standard

16.6%

Students scoring above proficient

% Met or Above

42.7%

Students meeting standard

Chronic Absenteeism

18.9%

Students missing 10%+ of days

Suspension Rate

2.5%

Students suspended at least once

Total Tested

1,216

Across all grades & subjects

ELA scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
11th	607	27.5%	35.1%	19.6%	17.8%	62.6%

Math scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
11th	609	5.6%	17.2%	26.1%	51.1%	22.8%

K-12 Feeder PathBoundary data

Elementary

Samuel W. Simpson Elementary

68.2# in state

Dr. Ernest Garcia Elementary

50.1# in state

Georgia F. Morris Elementary

42.9# in state

J.P. Kelley Elementary

36.1# in state

Sam V. Curtis Elementary

27.7# in state

J. Calvin Boyd Elementary

27.2# in state

Charlotte N. Werner Elementary

21.0# in state

Also serves area

Samuel W. Simpson Elementary

68.2# in state

Levi Bemis Elementary

38.3# in state

Sam V. Curtis Elementary

27.7# in state

▼

Middle

William G. Jehue Middle

45.9# in state

Also serves area

Rialto Middle

34.2# in state

▼

High School

Rialto High

55.6# in state

This school

Feeder patterns derived from 2015-16 NCES attendance boundary data. Boundaries may have changed. Contact your school district for current information.