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Windsor Unified School District

9291 Old Redwood Hwy. Bldg. 500
Windsor, CA 95492-9217
(District boundaries shown in map)
5/
10
Bottom 50%

Top Rankings

Windsor Unified School District ranks among the top 20% of public school district in California for:

Category
Attribute
Graduation Rate
Highest graduation rate (Top 5%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2025-26 school year, there is 1 public charter school serving 1,099 students in Windsor Unified School District. This district's average charter testing ranking is 5/10, which is in the bottom 50% of public charter schools in California.
ºÚÁÏÍø¹ÙÍø Charter School in Windsor Unified School District have an average math proficiency score of 27% (versus the California public charter school average of 32%), and reading proficiency score of 37% (versus the 48% statewide average).
Minority enrollment is 80% of the student body (majority Hispanic), which is more than the California public charter school average of 75% (majority Hispanic).

Overview

This School District
This State (CA)
# Schools
8 Schools
1,298 Schools
# Students
4,549 Students
710,338 Students
# Teachers
237 Teachers
31,359 Teachers
Student-Teacher Ratio
19:1
19:1

Student By Grade

District Rank

Windsor Unified School District, which is ranked #1082 of all 1,908 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 95% has increased from 88% over five school years.
This School District
State Average (CA)
#1062 out of 1932 school districts
(Bottom 50%)
26%
34%
39%
47%
26%
29%
95%
87%

Students by Ethnicity:

0.56
0.65
% American Indian
1%
1%
% Asian
2%
7%
% Hispanic
57%
53%
% Black
n/a
7%
% White
35%
25%
% Hawaiian
n/a
n/a
% Two or more races
5%
7%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $17,017 in this school district is less than the state median of $19,978. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $17,133 is less than the state median of $18,399. The school district spending/student has stayed relatively flat over four school years.
This School District
This State (CA)
Total Revenue
$77 MM
$116,387 MM
Spending
$78 MM
$107,188 MM
Revenue / Student
$17,017
$19,978
Spending / Student
$17,133
$18,399

Best Windsor Unified School District ºÚÁÏÍø¹ÙÍø Charter Schools (2025-26)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Cali Calmecac Language Academy
Charter School
(Math: 27% | Reading: 37%)
Rank:
5/
10
Bottom 50%
9491 Starr Rd.
Windsor, CA 95492
(707) 837-7747
Gr: K-8 | 1,099 student Student-teacher ratio: 22:1 Minority enrollment: 80%

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Quick Facts (2025-26)

  • District size: 8 schools
  • Grades: K-12
  • Enrollment: 4,549 students
  • Student-Teacher Ratio: 19:1
  • Minority Enrollment: 65%
  • : 95% (Top 5% in CA)
  • : Bottom 50%
  • : 26% (Btm 50%)
  • : 39% (Btm 50%)
  • : 26% (Top 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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