- Enrollment
- 1,577
- Students per teacher
- 20:1
- Resource Index
- 35/100
High school (grades 9-12) · Lafayette, CA
Acalanes High
Federal NCES profile for Acalanes High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060165000032
👥 S:T ratio 23
🌟 Gifted program 30
🎓 Counselors 37
📋 Attendance 64
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Acalanes High earns 38/100 on the Resource Investment Index, with class sizes smaller than 71% of California schools.
- #3 of 6
- public schools in Lafayette · Resource Index
- 38
- Resource Index · Typical
- 19.3:1
- small classes for California
- 7.3%
- free-lunch eligible
Acalanes High has class sizes smaller than 71% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Acalanes High ranks #3 of 6 public schools in Lafayette, CA.
School address
District: Acalanes Union High · California
NCES ID 060165000032 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-9 students YoY
Acalanes High held near 1,250 students from 2022-23 to 2023-24 (-9 headcount).
Teacher FTE lost 65.3 → 63.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-9 students YoY 060165000032 · Lafayette, CA High · MID · TRAD
1,256 enr · 19.3:1 · 7.3% lunch · RII 38
Nearest enrollment peer: Las Lomas High (1,577 students)
Acalanes High held near 1,250 students from 2022-23 to 2023-24 (-9 headcount). Teacher FTE lost 65.3 → 63.2 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Acalanes High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Las Lomas High
Las Lomas High
1,577 students
- Campolindo Hig
Campolindo High
1,340 students
- This school
Acalanes High
1,256 students
- Miramonte High
Miramonte High
1,167 students
- Acalanes Cente 61
Acalanes Center for Independent Study
61 students
What this shows Acalanes High reports 1,256 students on the CCD universe file.
How Acalanes High compares
Acalanes High held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.3:1 | ▼ 10% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 7.3% | ▼ 87% | 55.5% | 51.7% |
| Enrollment | 1,256 | top 8% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.3:1
Leaner classes than 19% of US schools, heavier class loads than most.
1,256
Bigger than 94% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
7.3%
free-lunch eligible
- 87% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
19.3:1
students per teacher
- 10% below state mean
Top 29% in California - lower ratio than 71% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
14.5%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$19,018
per pupil, district-wide
- above California avg of $18,665
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors4.0 FTE
Per 314 students, the combined health-and-guidance staffing load for this school.
Discipline context
5
in-school suspensions + 16 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 1.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 63.2%
Asian 12.2%
Hispanic or Latino 12.0%
Two or More 10.8%
African American 1.5%
Native Hawaiian / Pacific Islander 0.2%
American Indian / Alaska Native 0.1%
Largest group: White at 63.2% of enrollment.
Student-body diversity index 55.9/100
Simpson diversity index - at 55.9, Acalanes High is more mixed than the California school average of 46.0.
Programs
AP courses offered 19
District finance for Acalanes Union High reports $19,018 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Acalanes High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Las Lomas High | Larger | Similar economic need | Similar S:T ratio |
| Campolindo High | Similar size | Similar economic need | Similar S:T ratio |
| Miramonte High | Similar size | Similar economic need | Similar S:T ratio |
| Acalanes Center for Independent Study | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Acalanes High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,340
- Students per teacher
- 19.7:1
- Resource Index
- 45/100
- Enrollment
- 1,167
- Students per teacher
- 18.8:1
- Resource Index
- 41/100
- Enrollment
- 61
- Students per teacher
- 10.2:1
- Resource Index
- 42/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,256 students)
Frequently asked questions about Acalanes High
How many students attend Acalanes High?
Acalanes High has 1,256 students enrolled. It is a high school in Lafayette, CA. CCD year-over-year: 1,259 (2022-23) → 1,250 (2023-24), nearly flat (-9).
What is the student-teacher ratio at Acalanes High?
The student-teacher ratio at Acalanes High is 19.3:1, which is 10% lower than the California average of 21.5:1 and 23% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Acalanes High?
7.3% of students at Acalanes High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Acalanes High?
The largest demographic group at Acalanes High is White at 63.2% of enrollment, in Lafayette, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.9/100.
What is the Resource Investment Index for Acalanes High?
Acalanes High has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Acalanes High rank among public schools in Lafayette?
By Resource Investment Index, Acalanes High ranks #3 of 6 public schools in Lafayette, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Lafayette on the city page.
What other schools are in Acalanes Union High?
Besides Acalanes High, Acalanes Union High also operates Las Lomas High (1,577 students), Campolindo High (1,340 students), and Miramonte High (1,167 students). See the Acalanes Union High district page for the complete list.