Serving 220 students in grades Kindergarten-8, Twin Ridges Home Study Charter ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 30-34% (which is approximately equal to the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 45-49% (which is approximately equal to the California state average of 47%).
The student-teacher ratio of 20:1 is lower than the California state level of 21:1.
Minority enrollment is 25% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-8
- Enrollment: 220 students
- Student-Teacher Ratio: 20:1
- Minority Enrollment: 25%
- Overall Testing Rank: Top 50% in CA
- Math Proficiency: 30-34% (Top 50%)
- Reading Proficiency: 45-49% (Top 50%)
- Science Proficiency: 40-59% (Top 20%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Twin Ridges Home Study Charter ranks among the top 20% of public schools in California for:
Category
Attribute
Science Proficiency
School Overview
Twin Ridges Home Study Charter's student population of 220 students has grown by 31% over five school years.
The teacher population of 11 teachers has grown by 37% over five school years.
School Type
Grades Offered
Grades Kindergarten-8
Total Students
220 students
Gender %
Total Classroom Teachers
11 teachers
Year Founded
1978
School Calendar
School Rankings
Twin Ridges Home Study Charter ranks within the top 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Twin Ridges Home Study Charter is 0.42, 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
#3882 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
30-34%
34%
Reading/Language Arts Test Scores (% Proficient)
45-49%
47%
Science Test Scores (% Proficient)
40-59%
29%
Student-Teacher Ratio
20:1
21:1
American Indian
2%
1%
Asian
1%
12%
Hispanic
11%
56%
Black
1%
5%
White
75%
20%
Hawaiian
n/a
n/a
Two or more races
10%
6%
All Ethnic Groups
Eligible for Free Lunch
35%
54%
Eligible for Reduced Lunch
3%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Twin Ridges Home Study Charter's ranking?
Twin Ridges Home Study Charter is ranked #3882 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
30-34% of students have achieved math proficiency (compared to the 34% CA state average), while 45-49% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Twin Ridges Home Study Charter?
220 students attend Twin Ridges Home Study Charter.
What is the racial composition of the student body?
75% of Twin Ridges Home Study Charter students are White, 11% of students are Hispanic, 10% of students are Two or more races, 2% of students are American Indian, 1% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Twin Ridges Home Study Charter?
Twin Ridges Home Study Charter has a student ration of 20:1, which is lower than the California state average of 21:1.
What grades does Twin Ridges Home Study Charter offer ?
Twin Ridges Home Study Charter offers enrollment in grades Kindergarten-8
What school district is Twin Ridges Home Study Charter part of?
Twin Ridges Home Study Charter is part of Nevada County Office Of Education School District.
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