Serving 398 students in grades Kindergarten-12, Mountain Oaks ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 19% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 47% (which is equal to the California state average of 47%).
The student:teacher ratio of 50:1 is higher than the California state level of 21:1.
Minority enrollment is 28% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 398 students
- Student:Teacher Ratio: 50:1
- Minority Enrollment: 28%
- Graduation Rate: ≥90% (Top 50% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 19% (Btm 50%)
- Reading Proficiency: 47% (Top 50%)
- Science Proficiency: 30-34% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Mountain Oaks's student population of 398 students has declined by 10% over five school years.
The teacher population of 8 teachers has declined by 60% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
Total Students
398 students
Gender %
Total Classroom Teachers
8 teachers
School Calendar
First Day of School
Fri. Aug 15, 2025
School Rankings
Mountain Oaks ranks within the bottom 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Mountain Oaks is 0.45, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#5433 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
19%
34%
Reading/Language Arts Test Scores (% Proficient)
47%
47%
Science Test Scores (% Proficient)
30-34%
29%
Student : Teacher Ratio
50:1
21:1
American Indian
2%
1%
Asian
n/a
12%
Hispanic
17%
56%
Black
1%
5%
White
72%
20%
Hawaiian
n/a
n/a
Two or more races
8%
6%
All Ethnic Groups
Graduation Rate
≥90%
87%
Eligible for Free Lunch
51%
54%
Eligible for Reduced Lunch
6%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Mountain Oaks's ranking?
Mountain Oaks is ranked #5433 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What schools are Mountain Oaks often compared to?
Mountain Oaksis often viewed alongside schools like Calaveras County Special Education (Selpa), Calaveras High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
19% of students have achieved math proficiency (compared to the 34% CA state average), while 47% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Mountain Oaks?
The graduation rate of Mountain Oaks is 90%, which is higher than the California state average of 87%.
How many students attend Mountain Oaks?
398 students attend Mountain Oaks.
What is the racial composition of the student body?
72% of Mountain Oaks students are White, 17% of students are Hispanic, 8% of students are Two or more races, 2% of students are American Indian, and 1% of students are Black.
What is the student:teacher ratio of Mountain Oaks?
Mountain Oaks has a student ration of 50:1, which is higher than the California state average of 21:1.
What grades does Mountain Oaks offer ?
Mountain Oaks offers enrollment in grades Kindergarten-12
What school district is Mountain Oaks part of?
Mountain Oaks is part of Calaveras County Office Of Education School District.
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