Mountain Oaks

Grades K–12 Public charter District: Calaveras County Office of Education

150 Old Oak Rd., San Andreas, CA 95249 Map

Math (met standard)
22%
−16 state 38% · 2025-26
English (met standard)
41%
−8 state 50% · 2025-26
Science (met standard)
38%
+2 state 35% · 2025-26
Low income
52%
free or reduced-price lunch
Students
425
2024-25
Students per teacher
50.6
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 42% state 47% · 2025-26 61% state 44% · 2025-26 —
Grade 4 24% state 42% · 2025-26 41% state 46% · 2025-26 —
Grade 5 24% state 37% · 2025-26 44% state 49% · 2025-26 35% state 35% · 2025-26
Grade 6 9% state 37% · 2025-26 30% state 48% · 2025-26 —
Grade 7 26% state 38% · 2025-26 31% state 51% · 2025-26 —
Grade 8 13% state 36% · 2025-26 32% state 50% · 2025-26 29% state 35% · 2025-26
Grade 11 20% state 32% · 2025-26 53% state 57% · 2025-26 —
All grades 22% state 38% · 2025-26 41% state 50% · 2025-26 38% state 35% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 22% state 38% 41% state 50% 38% state 35%
2024-25 22% state 37% 34% state 49% 41% state 32%
2023-24 19% state 35% 34% state 48% 27% state 29%
2022-23 19% state 34% 40% state 47% 31% state 29%
2021-22 17% state 32% 46% state 48% 30% state 29%
2020-21 20% state 34% 49% state 49% 42%
2018-19 19% state 38% 42% state 52% 29% state 30%
2017-18 25% state 38% 43% state 50% —
2016-17 19% state 37% 39% state 49% —
2015-16 20% state 35% 45% state 50% —
2014-15 15% state 33% 34% state 46% —

Graduation & college

4-year graduation rate
94%
state 88% · 2025-26
Graduates meeting UC/CSU (A–G)
18%
state 55% · 2025-26
College-going rate
31%
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
Calaveras River Academy
Grades 6–12 Alternative · Calaveras County Office of Education
0.0 mi
0%
0%
— Not enough years of data 76% 17 White 71%
Calaveras High
Grades 8–12 · Calaveras Unified
0.9 mi
14%
−18 vs state
30%
−28 vs state
26%
−12 vs state
5% Average of math, English and science: 28% in 2022-23 → 23% in 2025-26 47% 703 White 66%
Gold Strike High
Grades 9–12 Alternative · Calaveras Unified
0.9 mi
19%
−12 vs state · 2024-25
19%
−38 vs state · 2024-25
6%
−28 vs state · 2024-25
16% Average of math, English and science: 3% in 2021-22 → 19% in 2024-25 62% 34 White 71%
Calaveras Unified Alternative-Sierra Hills Education Center
Grades K–12 Alternative · Calaveras Unified
0.9 mi
7%
−25 vs state
22%
−35 vs state
0%
5% Average of math, English and science: 20% in 2022-23 → 15% in 2025-26 59% 127 White 67%
San Andreas Elementary
Grades K–8 · Calaveras Unified
1.1 mi
16%
−24 vs state
22%
−25 vs state
8%
−28 vs state
9% Average of math, English and science: 24% in 2022-23 → 15% in 2025-26 70% 334 White 67%
Toyon Middle
Grades 6–8 · Calaveras Unified
3.9 mi
8%
−29 vs state
14%
−36 vs state
13%
−22 vs state
Average of math, English and science: 13% in 2022-23 → 12% in 2025-26 56% 522 White 62%