Riverside Preparatory

Grades K–12 Public charter District: Riverside Preparatory District

19121 Third St., Oro Grande, CA 92368 Map

Math (met standard)
16%
−22 state 38% · 2025-26
English (met standard)
34%
−16 state 50% · 2025-26
Science (met standard)
25%
−12 state 36% · 2025-26
Low income
78%
free or reduced-price lunch
Students
2,453
2024-25
Students per teacher
22.8
2024-25

Test score trends

Share of students who met or exceeded the state standard each year.

Latest results by grade

Grade Math English Science
Grade 3 31% state 47% · 2025-26 29% state 44% · 2025-26 —
Grade 4 12% state 42% · 2025-26 20% state 46% · 2025-26 —
Grade 5 15% state 37% · 2025-26 30% state 49% · 2025-26 19% state 35% · 2025-26
Grade 6 22% state 37% · 2025-26 35% state 48% · 2025-26 —
Grade 7 13% state 38% · 2025-26 27% state 51% · 2025-26 —
Grade 8 10% state 36% · 2025-26 33% state 50% · 2025-26 13% state 35% · 2025-26
Grade 11 15% state 32% · 2025-26 59% state 57% · 2025-26 —
All grades 16% state 38% · 2025-26 34% state 50% · 2025-26 25% state 36% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 16% state 38% 34% state 50% 25% state 36%
2024-25 16% state 36% 34% state 49% 21% state 33%
2023-24 13% state 35% 31% state 47% 16% state 31%
2022-23 13% state 34% 29% state 47% 17% state 31%
2021-22 12% state 33% 31% state 47% 16% state 30%
2020-21 10% state 34% 37% state 59% —
2018-19 22% state 39% 38% state 51% 16% state 30%
2017-18 18% state 39% 34% state 50% —
2016-17 22% state 38% 35% state 48% —
2015-16 21% state 36% 36% state 48% —
2014-15 20% state 34% 36% state 45% —

Graduation & college

4-year graduation rate
99%
state 88% · 2025-26
Graduates meeting UC/CSU (A–G)
44%
state 55% · 2025-26
College-going rate
59%
state 66% · 2022-23

Graduation rate: students who earned a regular diploma within four years. UC/CSU: share of graduates who completed the A–G courses required by the University of California and California State University. College-going: share of high school completers who enrolled in any college within 12 months.

Students

Race and ethnicity, 2024-25

Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).

Nearby schools

Subject percentages show the share of students who met or exceeded the state standard.

Pick to compare
Oro Grande Elementary
Grades K–6 · Oro Grande
0.0 mi
19%
−23 vs state
36%
−10 vs state
25%
−10 vs state
18% Average of math, English and science: 8% in 2022-23 → 26% in 2025-26 87% 91 Hispanic 86%
Adelanto Virtual Academy
Grades K–8 Alternative · Adelanto Elementary
2.3 mi
6%
−31 vs state
20%
−29 vs state
11%
−25 vs state
7% Average of math, English and science: 5% in 2022-23 → 12% in 2025-26 69% 85 Hispanic 59%
Puesta del Sol Elementary
Grades K–6 · Victor Elementary
3.8 mi
10%
−30 vs state
22%
−24 vs state
8%
−28 vs state
Average of math, English and science: 15% in 2022-23 → 13% in 2025-26 92% 609 Hispanic 68%
Challenger School of Sports and Fitness
Grades K–6 · Victor Elementary
3.9 mi
31%
−10 vs state
40%
−6 vs state
12%
−23 vs state
Average of math, English and science: 27% in 2022-23 → 28% in 2025-26 89% 843 Hispanic 73%
Adelanto Elementary
Grades K–5 · Adelanto Elementary
4.6 mi
7%
−35 vs state
11%
−36 vs state
8%
−27 vs state
4% Average of math, English and science: 5% in 2022-23 → 9% in 2025-26 90% 267 Hispanic 58%
Gus Franklin Jr.
Grades K–5 · Adelanto Elementary
4.6 mi
42%
+1 vs state
61%
+15 vs state
41%
+6 vs state
9% Average of math, English and science: 39% in 2022-23 → 48% in 2025-26 56% 509 Hispanic 73%
Dr. Ralph H. Baker 21st Century Learning Center
Grades K–6 · Victor Elementary
4.7 mi
20%
−21 vs state
30%
−17 vs state
24%
−12 vs state
8% Average of math, English and science: 17% in 2022-23 → 25% in 2025-26 86% 686 Hispanic 64%
West Creek Elementary
Grades K–5 · Adelanto Elementary
4.8 mi
9%
−33 vs state
14%
−33 vs state
9%
−26 vs state
Average of math, English and science: 9% in 2022-23 → 11% in 2025-26 72% 505 Hispanic 62%
Goodwill High
Grades 9–12 Alternative · Victor Valley Union High
4.8 mi
0%
−32 vs state
4%
−53 vs state
4%
−34 vs state
Average of math, English and science: 3% in 2022-23 → 3% in 2025-26 86% 58 Hispanic 72%
Goodwill Independent Study
Grades 7–12 Alternative · Victor Valley Union High
4.8 mi
8%
−24 vs state
10%
−47 vs state
2%
−36 vs state
Average of math, English and science: 6% in 2022-23 → 7% in 2025-26 88% 187 Hispanic 65%