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Average

#5591 of 9,539 schools in CA

Riverside Preparatory

School · Riverside Preparatory District

PO Box 386, Oro Grande, CA 92368

Charter

Enrollment

2,401

Student-Teacher

21.2:1

Score

5.9

Grades

Kindergarten – 12th

Data vintage2022-23

How this school compares

California schools

#5,591 of 9,539

In Oro Grande

#6 of 8

public schools

Academic growth

8.5 / 10

Excellent

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Riverside Preparatory

5.9/10

School in Oro Grande · grades Kindergarten – 12th. Start here, then compare fit against nearby and district options.

Oro Grande Elementary

3.8/10

0.0 mi away. Use as a geographic alternative in the same move search.

Vermont Christian School

Nearby

2.2 mi away. Use as a geographic alternative in the same move search.

About Riverside Preparatory

Riverside Preparatory is a public school in Oro Grande, CA, part of Riverside Preparatory District. Riverside Preparatory serves approximately 2,401 students, and covers grades Kindergarten-12th, and has a 21.2:1 student-teacher ratio. Riverside Preparatory has a current MySchoolScout rating of 5.9 out of 10 and ranks #5,591 of 9,539 schools in CA.

Structured state assessment records for Riverside Preparatory show 13% math proficiency (multi-year average, 2020-2024) and 32% reading/ELA proficiency (multi-year average, 2020-2024).

How it compares0.4 pts below CA schools
  • This school 5.9 · Average
  • CA avg 6.3

What Parents Should Know

Riverside Preparatory is a large school: 2,401 students. Size usually brings more course choices and activities than a smaller school can staff, but kids can also blend into the crowd. Ask how the school keeps students known and supported.

Test scores at Riverside Preparatory sit below average, but its growth scores are strong: students here make above-average progress year over year. The raw numbers haven't caught up, but a school that keeps moving kids forward is doing the harder, more important work.

Riverside Preparatory runs 21.2:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress8.5Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change-0.6 pts/yr
Data Period2020–2024
TrendStable
Academics4.3Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency12.6% (2024 CAASPP)
Reading/ELA Proficiency31.1% (2024 CAASPP)
Math vs. State Avg-33.2 pts
Reading vs. State Avg-11.7 pts
Overall Proficiency22% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)29% (model expectation from 2024 CAASPP)
vs. Expected-7.4 pts
Adjusted Percentile23th
College Readiness5.4Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate95%+
AP Participation0.8%
IB ProgramNo
Resources & Environment5.3Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio21.2:1
Per-Pupil Spending$14,031
Chronic Absenteeism29.9%

Riverside Preparatory — Students at Riverside Preparatory score 22% proficient, which is below what's typical for similar communities (expected: 29%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

80.1%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 13.0% (multi-year average, 2020-2024)
School
State
35.7% (2024 CAASPP)
ELA Proficiency 31.8% (multi-year average, 2020-2024)
School
State
47.1% (2024 CAASPP)

Based on 22 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

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

2020*
Math
12%
ELA
37%
2021*
Math
12%
ELA
37%
2022
Math
12%
ELA
29.5%
2024
Math
13.4%
ELA
30.7%

* 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: 8.5/10.

How Riverside Preparatory Compares

See how Riverside Preparatory performs across key quality dimensions compared to state benchmarks.

Overall Score
5.9/10
41th percentile in CA
Academic
4.3/10
Below Average
Growth
8.5/10
Excellent
Environment
5.3/10
Average
AP Courses
1
State avg: 2.6
Advanced STEM
4/5
Subjects offered

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
80%
Teaching Staff
21:1 student-teacher ratio
113 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
29.9%

Programs & Offerings

AP/IB Programs1 AP course offered
0.8% participation·State avg: 2.6 AP courses·CRDC 2021-22
Advanced STEM Courses4 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

PO Box 386, Oro Grande, CA 92368

Nearby Alternatives

Families considering Riverside Preparatory may also want to explore other schools in the area. Sixth Street Prep (rated 8.6/10, 4.9 miles away, in nearby Victorville), which scores notably higher. Another option is Gus Franklin Jr. (rated 8.4/10, 4.6 miles away, in nearby Victorville), which scores notably higher. Additionally, Melva Davis Academy of Excellence (rated 8.0/10, 4.9 miles away, in nearby Victorville), which scores notably higher. For more schools in Oro Grande, see our Oro Grande schools guide .

Nearby Schools

20 within 4.6 mi
School Distance Rating
Oro Grande Elementary Oro Grande 0.0 mi 3.8
VERMONT CHRISTIAN SCHOOL Victorville 2.2 mi
Puesta del Sol Elementary Victorville 3.8 mi 2.7
Challenger School of Sports and Fitness Victorville 3.9 mi 3.7
Dr. Ralph H. Baker 21st Century Learning Center Victorville 4.7 mi 6.8
ZION LUTHERAN SCHOOL Victorville 4.8 mi
Village Elementary Victorville 4.9 mi 2.1
Goodwill High Victorville 4.8 mi 5.4
Goodwill Independent Study Victorville 4.8 mi 4.6
Gus Franklin Jr. Victorville 4.6 mi 8.4
Del Rey Elementary Victorville 4.9 mi 2.4
Dynamic Hope Schools - Adelanto Adelanto 4.2 mi
BRIGHT FUTURES ACADEMY - ADELANTO Adelanto 4.2 mi 5.4
West Creek Elementary Victorville 4.8 mi 2.6
Victor Valley Virtual Academy Victorville 5.0 mi 6.1
Sixth Street Prep Victorville 4.9 mi 8.6
Victor Valley High Victorville 5.0 mi 4.7
Melva Davis Academy of Excellence Victorville 4.9 mi 8.0
Imogene Garner Hook Junior High Victorville 5.3 mi 3.6
Adelanto Virtual Academy Victorville 4.6 mi 7.4

Neighborhood Census ACS (2019-2023)

Census data for ZIP 92368 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$75,000

Median Home Value

$313,700

Median Rent

$1,212/mo

Population

925

College Educated

13.3%

Homeownership

58.1%

Poverty Rate

17.1%

Median Age

40.6

Similar Schools

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

School Rating
Palmdale Aerospace Academy Palmdale, CA 5.9
Empire Springs Charter Temecula, CA 6.0
Clarksville Charter Orangevile, CA 5.7
Feather River Charter Sacramento, CA 5.7
San Jacinto Valley Academy San Jacinto, CA 5.7
Yosemite Valley Charter Fresno, CA 6.2

Frequently Asked Questions

Common questions about Riverside Preparatory

What grades does Riverside Preparatory serve?

Riverside Preparatory serves students in grades Kindergarten through 12th.

How many students attend Riverside Preparatory?

Riverside Preparatory has an enrollment of approximately 2,401 students.

What is the student-teacher ratio at Riverside Preparatory?

The student-teacher ratio at Riverside Preparatory is 21.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Riverside Preparatory rank in CA?

Riverside Preparatory ranks #5,591 of 9,539 schools in CA.

What is Riverside Preparatory's MySchoolScout rating?

Riverside Preparatory has a current MySchoolScout rating of 5.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Riverside Preparatory?

Based on loaded state assessment records, Riverside Preparatory has 13% math proficiency (multi-year average, 2020-2024) and 32% reading/ELA proficiency (multi-year average, 2020-2024).

Is Riverside Preparatory a charter school?

Yes, Riverside Preparatory is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Riverside Preparatory a Title I school?

No, Riverside Preparatory is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Riverside Preparatory?

80.1% of students at Riverside Preparatory 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
33 Car-Dependent
Bike Score
25 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 12th
Enrollment
2,401
Student-Teacher Ratio
21.2:1
Teachers (FTE)
113
Free/Reduced Lunch
80.1%
Type
regular
Setting
Fringe Rural
County
San Bernardino County
Chronic Absenteeism (SY 2022-23)
29.9%
4-Year Graduation
95%+

District

Riverside Preparatory District
District Enrollment
2,401
Schools in District
1
Per-Pupil Spending
$14,031
District Rank
#1 of 1

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