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5 schools in Acalanes Union High

California · 5,401 students · 4 cities

Public K-12 enrollment in Acalanes Union High totals about 5,401 students across 5 schools (an average of 1080 students per school).

4-year change in Acalanes Union High

SY 2020-21 vs SY 2024-25
Total enrollment
5,401
-100 (-2%) vs SY 2020-21
School count
5
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages

How Acalanes Union High ranks

Among districts
MeasureThis districtIn CaliforniaIn the US
State test proficiency
ranked highest first
73.8%#32 of 534N/A
Enrollment
ranked largest first
5,401#245 of 587#1,774 of 9,234
Number of schools
ranked most first
5#406 of 587N/A
Students per teacher
ranked fewest first
19.2:1#92 of 587#8,160 of 9,044
Free or reduced-price lunch share
ranked highest first
8.7%#570 of 587#7,985 of 8,164
Diversity index
ranked most diverse first
62.1%#172 of 530#1,388 of 6,853
Districts need at least 2 schools and 500 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.

Inside Acalanes Union High

State test results across the district's 4 scored schools run from Miramonte High at 82.2% proficient to Las Lomas High at 63.6%, a gap of 18.6 points. That is the 336th widest gap among 458 California districts with four or more scored schools.

Since 2017-18, the 5 district schools that reported both years went from 5,642 to 5,401 students (down 4%) and from 278 to 281 full-time teachers (up 1%), as of 2024-25.

Proficient is the average share of students meeting the state standard across each school's state tests in 2023-24 and 2024-25; schools with fewer than 100 students and schools serving specialized populations are left out. Staffing figures come from the NCES Common Core of Data and count only schools that reported students and teachers in both years.
NameCityLevelGradesEnrollment
Las Lomas HighWalnut CreekHigh09-121,577
Campolindo HighMoragaHigh09-121,340
Acalanes HighLafayetteHigh09-121,256
Miramonte HighOrindaHigh09-121,167
Acalanes Center for Independent StudyWalnut CreekHigh09-1261

About Acalanes Union High

Acalanes Union High maintains 5 public schools across California, collectively serveing roughly 5,401 students.

Per-school enrollment averages around 1,080 in this district, meaningfully above the California typical of 578.

Over the past 4-year window. Combined enrollment now sits at 5,401 students, stayed largely flat from the 5,501 reported in SY 2020-21.

On this page, the community for Acalanes Union High discusses school events, board meetings, and seasonal calendars. Discussions cut across districts, schools, and grade levels.

Frequently asked questions

How many schools are in Acalanes Union High?
Acalanes Union High operates 5 public K-12 schools in California, serving approximately 5,401 students.
What is the mix of elementary, middle, and high schools in Acalanes Union High?
Acalanes Union High includes 5 high schools.
What is the largest school in Acalanes Union High?
Las Lomas High is the largest public school in Acalanes Union High by enrollment, with approximately 1,577 students.
What grade levels does Acalanes Union High serve?
Acalanes Union High serves students from grade 9 through grade 12 across 5 schools.
What cities does Acalanes Union High serve?
Acalanes Union High operates schools in Walnut Creek, Moraga, Lafayette, Orinda across California.