Top Rankings
Twin Hills Union Elementary School District ranks among the top 20% of public school district in California for:
Category
Attribute
Overall Rank
Highest overall rank (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 20%)
Science Proficiency
Highest science proficiency (Top 20%)
For the 2025 school year, there are 3 public charter schools serving 669 students in Twin Hills Union Elementary School District. This district's average charter testing ranking is 9/10, which is in the top 20% of public charter schools in California.
Public Charter Schools in Twin Hills Union Elementary School District have an average math proficiency score of 47% (versus the California public charter school average of 31%), and reading proficiency score of 67% (versus the 48% statewide average).
Minority enrollment is 30% of the student body (majority Hispanic), which is less than the California public charter school average of 75% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
4 Schools
1,300 Schools
# Students
957 Students
711,386 Students
# Teachers
52 Teachers
31,388 Teachers
Student : Teacher Ratio
18:1
18:1
District Rank
Twin Hills Union Elementary School District, which is ranked #315 of all 1,925 school districts in California (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 90% has increased from 80% over five school years.
Overall District Rank
#321 out of 1941 school districts
(Top 20%)
(Top 20%)

Math Test Scores (% Proficient)
44%
33%

Reading/Language Arts Test Scores (% Proficient)
63%
47%

Science Test Scores (% Proficient)
48%
29%
Graduation Rate
≥90%
87%

Students by Ethnicity:
Diversity Score
0.47
0.65
# American Indian Students
3 Students
3,137 Students
% American Indian Students
n/a
1%
# Asian Students
9 Students
49,250 Students
% Asian Students
1%
7%
# Hispanic Students
187 Students
378,755 Students
% Hispanic Students
20%
53%
# Black Students
5 Students
48,500 Students
% Black Students
1%
7%
# White Students
667 Students
176,738 Students
% White Students
70%
25%
# Hawaiian Students
n/a
2,385 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
75 Students
48,230 Students
% of Two or more races Students
8%
7%
Students by Grade:
# Students in PK Grade:
-
83
# Students in K Grade:
112
60,517
# Students in 1st Grade:
74
46,070
# Students in 2nd Grade:
75
47,155
# Students in 3rd Grade:
84
46,520
# Students in 4th Grade:
110
46,583
# Students in 5th Grade:
84
46,919
# Students in 6th Grade:
109
54,274
# Students in 7th Grade:
98
57,837
# Students in 8th Grade:
115
57,970
# Students in 9th Grade:
19
70,272
# Students in 10th Grade:
23
64,790
# Students in 11th Grade:
25
57,670
# Students in 12th Grade:
29
54,726
# Ungraded Students:
-
-
District Revenue and Spending
The revenue/student of $15,217 in this school district is less than the state median of $19,974. The school district revenue/student has grown by 14% over four school years.
The school district's spending/student of $14,691 is less than the state median of $18,396. The school district spending/student has grown by 14% over four school years.
Total Revenue
$15 MM
$116,387 MM

Spending
$14 MM
$107,188 MM

Revenue / Student
$15,217
$19,974

Spending / Student
$14,691
$18,396

Best Twin Hills Union Elementary School District Public Charter Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Twin Hills Charter Middle School
Charter School
(Math: 50% | Reading: 70%)
Rank:
Rank:
9/
Top 20%10
1685 Watertrough Rd.
Sebastopol, CA 95472
(707) 823-7446
Sebastopol, CA 95472
(707) 823-7446
Grades: 6-8
| 207 students
Rank: #22.
Sunridge Charter
Charter School
(Math: 40-44% | Reading: 65-69%)
Rank:
Rank:
8/
Top 30%10
7285 Hayden Ave.
Sebastopol, CA 95472
(707) 824-2844
Sebastopol, CA 95472
(707) 824-2844
Grades: K-8
| 234 students
Rank: #33.
Orchard View
Charter School
(Math: 45-49% | Reading: 60-64%)
Rank:
Rank:
8/
Top 30%10
700 Watertrough Rd.
Sebastopol, CA 95472
(707) 823-4709
Sebastopol, CA 95472
(707) 823-4709
Grades: K-12
| 228 students
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