Enrollment
666
California · 2024-25 NCES data
Elementary school (grades K-5) · Porter Ranch, CA
Castlebay Lane Charter
Federal NCES profile for Castlebay Lane Charter, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062271002905Charter school
👥 S:T ratio 0
🌟 Gifted program 70
📋 Attendance 43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Castlebay Lane Charter earns 38/100 on the Resource Investment Index, with class sizes larger than 92% of California schools. It is also more racially and ethnically mixed than most California schools.
- 38
- Resource Index · Typical
- 27.8:1
- large classes for California
- 18.8%
- free-lunch eligible
- 666
- students enrolled
Castlebay Lane Charter has class sizes larger than 92% of California schools. Computed live against every California school reporting to NCES.
School address
District: Los Angeles Unified · California
NCES ID 062271002905 Verify on NCES CCD record →
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
27.8:1
vs 21.5:1 California avg
+29% vs state
Free-lunch eligible
18.8%
vs 55.5% California avg
-66% vs state
Student-teacher ratio in context
How Castlebay Lane Charter compares with California and U.S. medians
What stands out at Castlebay Lane Charter
Castlebay Lane Charter is a lower-poverty, mid-sized charter elementary school in Porter Ranch, California, enrolling 666 students.
Class loads run heavy: 27.8:1 is larger than about 92% of California schools and 29% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 18.8% free-meal eligibility runs 66% below the California average.
Enrollment of 666 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 1,258 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #466.
Its student body is led by White (40%) and Asian (21%), more mixed than most schools in the state (diversity index 73/100).
Attendance runs somewhat below the norm, with 22.8% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Los Angeles Unified spends $21,940 per pupil, 33% above the California average, a better-resourced district than most.
Its district draws 19.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Porter Ranch's elementary schools, it stands alongside Porter Ranch Community (1,312 students): Castlebay Lane Charter is smaller than that campus by headcount and runs heavier classes (27.8:1 vs 24.8:1).
Los Angeles Unified also operates Grover Cleveland Charter High (2,719 students) and North Hollywood Senior High (2,444 students) alongside Castlebay Lane Charter.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Castlebay Lane Charter compares
Castlebay Lane Charter on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 27.8:1 | ▲ 29% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 18.8% | ▼ 66% | 55.5% | 51.7% |
| Enrollment | 666 | top 26% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
27.8:1
Leaner classes than 3% of US schools, heavier class loads than most.
666
Bigger than 78% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
18.8%
free-lunch eligible
- 66% 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
27.8:1
students per teacher
- 29% above state mean
Top 92% in California - lower ratio than 8% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
22.8%
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
$21,940
per pupil, district-wide
- above California avg of $16,509
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 39.9%
Asian 21.3%
Hispanic or Latino 18.2%
Two or More 17.6%
African American 3.0%
Largest group: White at 39.9% of enrollment.
Student-body diversity index 73.0/100
Simpson diversity index - at 73.0, Castlebay Lane Charter is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Los Angeles Unified, which includes Castlebay Lane Charter.
$21,940
Per student
+33%
vs California
Avg $16,509
+32%
vs U.S.
Avg $16,593
Revenue mix
Local 26.3%
State 54.5%
Federal 19.2%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Castlebay Lane Charter Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Grover Cleveland Charter High | Larger | Higher economic need | Lower S:T ratio |
| North Hollywood Senior High | Larger | Higher economic need | Lower S:T ratio |
| Phineas Banning Senior High | Larger | Higher economic need | Lower S:T ratio |
| San Pedro Senior High | Larger | Higher economic need | Lower S:T ratio |
| Venice Senior High | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Castlebay Lane Charter's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,719
- Students per teacher
- 22.8:1
- Resource Index
- 38/100
- Enrollment
- 2,444
- Students per teacher
- 20.5:1
- Resource Index
- 38/100
- Enrollment
- 2,422
- Students per teacher
- 19.4:1
- Resource Index
- 44/100
- Enrollment
- 2,398
- Students per teacher
- 20.3:1
- Resource Index
- 31/100
- Enrollment
- 2,293
- Students per teacher
- 24.4:1
- Resource Index
- 37/100
Similar elementary schools in Porter Ranch
1 comparable elementary schools (grades K-5) serving the same city.
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~666 students)
Next steps
Verify locally before acting on Castlebay Lane Charter's federal record.
- Compare Castlebay Lane Charter against another school. Compare schools
- Los Angeles Unified's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Castlebay Lane Charter
How many students attend Castlebay Lane Charter?
Castlebay Lane Charter has 666 students enrolled. It is an elementary school in Porter Ranch, CA.
What is the student-teacher ratio at Castlebay Lane Charter?
The student-teacher ratio at Castlebay Lane Charter is 27.8:1, which is 29% higher than the California average of 21.5:1 and 77% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Castlebay Lane Charter?
18.8% of students at Castlebay Lane Charter are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Castlebay Lane Charter?
The largest demographic group at Castlebay Lane Charter is White at 39.9% of enrollment, in Porter Ranch, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.0/100.
What is the Resource Investment Index for Castlebay Lane Charter?
Castlebay Lane Charter has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Castlebay Lane Charter a good school?
Castlebay Lane Charter earns 38/100 on the Resource Investment Index, with class sizes larger than 92% of California schools. It is also more racially and ethnically mixed than most California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Los Angeles Unified?
Besides Castlebay Lane Charter, Los Angeles Unified also operates Grover Cleveland Charter High (2,719 students), North Hollywood Senior High (2,444 students), and Phineas Banning Senior High (2,422 students). See the Los Angeles Unified district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.