Riverside Preparatory

Combined school·Grades K-12·Charter Oro Grande, California·92368
Score
39.3/100
Compare Riverside Preparatory with another school
#346
Among 569 California combined schools
Top 61%
In California

Score 39.3/100: better than 39% of California combined schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2024-25)

% met or exceeded standard on state tests in California, all students. Colored bars are green when the school is at or above the average for similar California schools.

English language arts
34%
Similar California schools ≈ 45%, better than 39% of them
1,337 students tested
Math
16%
Similar California schools ≈ 31%, better than 38% of them
1,334 students tested
Science
21%
Similar California schools ≈ 32%, better than 42% of them
634 students tested
All California schools (ELA / math)
49% / 37%
State average across every school type, 2024-25
All 23 published results by grade and test

As published by California Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 3Smarter Balanced ELA21.7129
English language artsGrade 4Smarter Balanced ELA21.9123
English language artsGrade 5Smarter Balanced ELA32.1165
English language artsGrade 6Smarter Balanced ELA34.9192
English language artsGrade 7Smarter Balanced ELA29.6264
English language artsGrade 8Smarter Balanced ELA30.4260
English language artsGrade 11Smarter Balanced ELA56.9204
English language artsAll gradesSmarter Balanced ELA33.51,337
MathGrade 3Smarter Balanced Math21.7129
MathGrade 4Smarter Balanced Math17.2122
MathGrade 5Smarter Balanced Math17.6165
MathGrade 6Smarter Balanced Math14.7191
MathGrade 7Smarter Balanced Math13.4262
MathGrade 8Smarter Balanced Math14.3259
MathGrade 11Smarter Balanced Math14.6206
MathAll gradesSmarter Balanced Math15.61,334
ScienceGrade 5CAST25.4165
ScienceGrade 8CAST13.5259
ScienceGrade 11CAST26.8205
ScienceGrade 12CASThidden (small group)5
ScienceGrade 14CAST27.1210
ScienceAll gradesCAST21.1634
ScienceGrade 99CAST16.2185

School profile

Grades
K-12
Students
2,401
Type
Combined school
Charter school
Yes
Program
Regular

Students

Enrollment
2,401
Typical combined school: 235
Free or reduced-price lunch
79%
Typical combined school: 65%

District and location

City
San Bernardino County

Contact

Address
19121 Third St.
Oro Grande, CA 92368

"Typical" is the middle (median) combined school in California. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby combined schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Riverside Preparatory at a glance

Riverside Preparatory is a public combined school (a charter school) in Oro Grande, California, serving grades K-12. It is part of Riverside Preparatory District. It has about 2,401 students (a typical California combined school has 235). About 79% of students are eligible for free or reduced-price lunch, compared with 65% at a typical California combined school, which is useful context when reading test results.

In 2024-25 state tests, 34% in English language arts (similar schools: 45%) and 16% in math (similar schools: 31%) reached the state standard (% met or exceeded standard). On our score, which compares it only with other California combined schools, it scores 39.3 out of 100: better than 39% of them, ranking #346 of 569. Its English language arts result rose by 2 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

Compare Riverside Preparatory with another school

Page updated 2026-10-12.