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Schools in Castle Hill · Acalanes Union High School District, Walnut Creek Elementary School District

Castle Hill’s public schools outscore 95% of California districts

65% of students in Castle Hill’s public schools are proficient in math, above the California average (33%). The grade covers the two public school districts serving Castle Hill, from kindergarten through graduation, on state tests and graduation. Each state writes its own tests, so this is the one TownRatings grade compared within California, not nationally.

From California state tests taken in spring 2022, when 97% of students in the tested grades sat them, and the class of 2023’s four-year graduation rate, as reported to the U.S. Department of Education.

Reading proficiency
74%
▲ 27 pts vs CA 47%
2021–22
Math proficiency
65%
▲ 32 pts vs CA 33%
2021–22
Graduate on time
97%
▲ 11 pts vs CA 86%
class of 2023
Spent per student
$20.1K
▼ 5% vs CA $21.2K
FY2024 · Acalanes Union High
Students per teacher
20.6
CA 21.6 · smaller classes
Schools in town
0
8,937 students on the public path
In brief

Castle Hill’s schools, in brief

Against towns with similar incomes

Among the 102 California towns with household incomes within a quarter of Castle Hill’s, its schools beat 71%, lower than their 95% against all the state’s districts. The grade ↓

Above the state on both counts

Reading proficiency is 74% and math 65% across both districts in spring 2022, against 47% and 33% statewide; 97% of the class of 2023 graduated in four years, against 86%. Test scores ↓

Spending and class size

Acalanes Union High spends $20,081 per student and Walnut Creek Elementary $15,370, against $21,206 across California (FY2024). Neither counts toward the grade. Districts ↓

Written from the figures on this page. Tests are from 2021–22, graduation from the class of 2023; each school’s own letter uses 2020–21 results.

The School Grade

What’s behind Castle Hill’s grade

A+ Test scoresA− Graduation

A+: better than 95% of California school districts. Test scores and graduation are both above the California average; test scores are the stronger of the two.

California school districts we grade (1,872)Better than 95%
Lower resultsHigher results
California towns with similar household incomes (102)Better than 71%
A firm grade. Ordinary sampling error in 3,421 test results and a graduating class of 1,335 wouldn’t change the letter. The tests are from spring 2022, when 97% of Castle Hill’s students in the tested grades sat them (3,432 in math, 3,409 in reading).

How TownRatings grades schools →

Where will my kid go?

Pick a grade. These are the public schools that serve Castle Hill, with each school’s own grade.

The path, start to finish
K–56 elementary schoolsDepends on your addressNo scores
6–82 middle schoolsDepends on your addressNo scores
9–124 high schoolsDepends on your addressA to A+

Castle Hill runs its own schools through grade 8 (Walnut Creek Elementary School District). From grade 9, students attend the Acalanes Union High School District, shared with Lafayette, Moraga, Orinda, Richmond and Walnut Creek. Its elementary school is in Walnut Creek. To confirm the school for a specific address, ask the district.

Two districts serve Castle Hill

Spending and class size are shown but don’t count toward the grade. Each district’s own page has every school.

Test scores · 2021–22

Well above the state in reading

Reading · 9–12, Acalanes Union High School District78%
State average 46.7% · 1262 students tested
Math · 9–12, Acalanes Union High School District65%
State average 33.1% · 1276 students tested
Reading · K–8, Walnut Creek Elementary School District71%
State average 46.7% · 2147 students tested
Math · K–8, Walnut Creek Elementary School District65%
State average 33.1% · 2156 students tested

Castle Hill vs. its neighbors

Schools grades for the California towns that share Castle Hill’s borders.

Schools next door
TownSchoolsMain districts
Castle HillA+Walnut Creek Elementary K–8 · Acalanes Union High 9–12
Walnut CreekB+Walnut Creek Elementary K–8 · Mount Diablo Unified K–12 · Acalanes Union High 9–12

Every school in Castle Hill

11 schools. Each public school’s letter compares its own 2020–21 reading and math results with California’s other public schools (the newest school-level results we have).

Also serving Castle Hillin other towns

Questions about Castle Hill’s schools

Are Castle Hill’s schools good?

By California’s own tests, yes: the public schools Castle Hill children attend outscore 95% of California’s school districts on tests and graduation, an A+ Schools grade. Among towns with similar incomes they beat 71%. Tests are from 2021–22, graduation from the class of 2023.

What school district is Castle Hill in?

Two districts: Walnut Creek Elementary School District runs grades K–8, and Acalanes Union High School District runs grades 9–12, shared with Lafayette, Moraga, Orinda, Richmond and Walnut Creek.

Where do Castle Hill kids go to high school?

One of 4 high schools, depending on your address: Las Lomas High, Campolindo High, Acalanes High and Miramonte High.

What is Castle Hill’s graduation rate?

97% of the class of 2023 in Acalanes Union High School District graduated in four years, against 86% across California.

How much does Castle Hill spend per student?

$20,081 in Acalanes Union High School District and $15,370 in Walnut Creek Elementary School District (FY2024), against $21,206 across California. Spending doesn’t count toward the grade.

Parents talk

What Castle Hill families are saying about school.

Town Square →
Start the conversation

Looking for colleges? Colleges near Castle Hill → They have their own page.

School data: state test results (2021–22, with participation) and four-year graduation rates (class of 2023) reported to the U.S. Department of Education (EDFacts via ED Data Express); each school’s own letter uses its 2020–21 results (EDFacts via the Urban Institute); schools and enrollment from NCES (2024–25; private schools 2023–24); spending from the Census Bureau’s school finance survey (FY2024). The School Grade is our own summary, graded within California. Stars are from neighbors.