- Enrollment
- 1,577
- Students per teacher
- 20:1
- Resource Index
- 35/100
High school (grades 9-12) · Walnut Creek, CA
Acalanes Center for Independent Study
Federal NCES profile for Acalanes Center for Independent Study, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060165010751
👥 S:T ratio 59
🌟 Gifted program 70
🎓 Counselors 39
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Acalanes Center for Independent Study earns 42/100 on the Resource Investment Index, with class sizes smaller than 95% of California schools.
- #1 of 3
- high schools in Walnut Creek · Resource Index
- 42
- Resource Index · Typical
- 10.2:1
- small classes for California
- 21.3%
- free-lunch eligible
Acalanes Center for Independent Study has class sizes smaller than 95% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Acalanes Center for Independent Study ranks #1 of 3 high schools in Walnut Creek, CA.
School address
District: Acalanes Union High · California
NCES ID 060165010751 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+4 students YoY
Acalanes Center for Independent Study grew from 47 students in 2022-23 to 51 in 2023-24 (+8.5%).
Teacher FTE added 6.5 → 7.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+4 students YoY 060165010751 · Walnut Creek, CA High · SMALL · TRAD
61 enr · 10.2:1 · 21.3% lunch · RII 42
Nearest enrollment peer: Las Lomas High (1,577 students)
Acalanes Center for Independent Study grew from 47 students in 2022-23 to 51 in 2023-24 (+8.5%). Teacher FTE added 6.5 → 7.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Acalanes Center for Independent Study 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
- Acalanes High
Acalanes High
1,256 students
- Miramonte High
Miramonte High
1,167 students
- This school 61
Acalanes Center for Independent Study
61 students
What this shows Acalanes Center for Independent Study reports 61 students on the CCD universe file.
How Acalanes Center for Independent Study compares
Acalanes Center for Independent Study is a growing campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.2:1 | ▼ 53% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 21.3% | ▼ 62% | 55.5% | 51.7% |
| Enrollment | 61 | top 93% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.2:1
Leaner classes than 88% of US schools, among the more generously staffed nationally.
61
Bigger than 6% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
21.3%
free-lunch eligible
- 62% 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
10.2:1
students per teacher
- 53% below state mean
Top 5% in California - lower ratio than 95% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
49.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
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
Counselors0.2 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 7 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 11.5 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 63.9%
Hispanic or Latino 18.0%
Asian 11.5%
Two or More 4.9%
African American 1.6%
Largest group: White at 63.9% of enrollment.
Student-body diversity index 54.3/100
Simpson diversity index - at 54.3, Acalanes Center for Independent Study is more mixed than the California school average of 46.0.
Programs
AP courses offered 7
Gifted & talented Yes
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 Center for Independent Study Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Las Lomas High | Larger | Similar economic need | Higher S:T ratio |
| Campolindo High | Larger | Lower economic need | Higher S:T ratio |
| Acalanes High | Larger | Lower economic need | Higher S:T ratio |
| Miramonte High | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Acalanes Center for Independent Study'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
- 1,256
- Students per teacher
- 19.3:1
- Resource Index
- 38/100
- Enrollment
- 1,167
- Students per teacher
- 18.8:1
- Resource Index
- 41/100
Similar high schools in Walnut Creek
2 comparable high schools (grades 9-12) serving the same city.
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 (~61 students)
Frequently asked questions about Acalanes Center for Independent Study
How many students attend Acalanes Center for Independent Study?
Acalanes Center for Independent Study has 61 students enrolled. It is a high school in Walnut Creek, CA. CCD year-over-year: 47 (2022-23) → 51 (2023-24), up 4.
What is the student-teacher ratio at Acalanes Center for Independent Study?
The student-teacher ratio at Acalanes Center for Independent Study is 10.2:1, which is 53% lower than the California average of 21.5:1 and 35% lower 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 Center for Independent Study?
21.3% of students at Acalanes Center for Independent Study are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Acalanes Center for Independent Study?
The largest demographic group at Acalanes Center for Independent Study is White at 63.9% of enrollment, in Walnut Creek, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.3/100.
What is the Resource Investment Index for Acalanes Center for Independent Study?
Acalanes Center for Independent Study has a Resource Investment Index of 42/100 (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 Center for Independent Study rank among high schools in Walnut Creek?
By Resource Investment Index, Acalanes Center for Independent Study ranks #1 of 3 high schools in Walnut Creek, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Walnut Creek on the city page.
What other schools are in Acalanes Union High?
Besides Acalanes Center for Independent Study, Acalanes Union High also operates Las Lomas High (1,577 students), Campolindo High (1,340 students), and Acalanes High (1,256 students). See the Acalanes Union High district page for the complete list.