- Enrollment
- 1,093
- Students per teacher
- 21.4:1
- Resource Index
- 30/100
High school (grades 9-12) · Aptos, CA
Delta Charter
Federal NCES profile for Delta Charter, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063560006664Charter school
👥 S:T ratio 44
🌟 Gifted program 30
🎓 Counselors 77
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Delta Charter earns 38/100 on the Resource Investment Index, with class sizes smaller than 91% of California schools.
- #1 of 6
- public schools in Aptos · Resource Index
- 38
- Resource Index · Typical
- 14.1:1
- small classes for California
- 30.2%
- free-lunch eligible
Delta Charter has class sizes smaller than 91% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Delta Charter ranks #1 of 6 public schools in Aptos, CA.
School address
District: Santa Cruz City High · California
NCES ID 063560006664 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+0 students YoY
Delta Charter held near 116 students from 2022-23 to 2023-24 (+0 headcount).
Teacher FTE held 8.7 → 8.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+0 students YoY 063560006664 · Aptos, CA High · SMALL · CHARTER
113 enr · 14.1:1 · 30.2% lunch · RII 38
Nearest enrollment peer: Santa Cruz High (1,093 students)
Delta Charter held near 116 students from 2022-23 to 2023-24 (+0 headcount). Teacher FTE held 8.7 → 8.9 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Delta Charter in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Santa Cruz Hig
Santa Cruz High
1,093 students
- Soquel High
Soquel High
1,074 students
- Harbor High
Harbor High
1,013 students
- Mission Hill M
Mission Hill Middle
510 students
- Branciforte Mi 409
Branciforte Middle
409 students
- This school 113
Delta Charter
113 students
What this shows Delta Charter reports 113 students on the CCD universe file.
How Delta Charter compares
Delta Charter 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 | 14.1:1 | ▼ 34% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 30.2% | ▼ 46% | 55.5% | 51.7% |
| Enrollment | 113 | top 89% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.1:1
Leaner classes than 56% of US schools, a middle-of-the-pack class size.
113
Bigger than 11% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
30.2%
free-lunch eligible
- 46% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
14.1:1
students per teacher
- 34% below state mean
Top 9% in California - lower ratio than 91% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
57.5%
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.
Support staff
Counselors1.0 FTE
Per 113 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 3 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 2.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 53.2%
Hispanic or Latino 38.7%
Two or More 5.4%
American Indian / Alaska Native 1.8%
African American 0.9%
Largest group: White at 53.2% of enrollment.
Student-body diversity index 56.4/100
Simpson diversity index - at 56.4, Delta Charter is more mixed than the California school average of 46.0.
Programs
AP program Not offered
How Delta Charter Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Santa Cruz High | Larger | Similar economic need | Higher S:T ratio |
| Soquel High | Larger | Similar economic need | Higher S:T ratio |
| Harbor High | Larger | Similar economic need | Higher S:T ratio |
| Mission Hill Middle | Larger | Similar economic need | Higher S:T ratio |
| Branciforte Middle | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Delta Charter's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,074
- Students per teacher
- 23.3:1
- Resource Index
- 31/100
- Enrollment
- 1,013
- Students per teacher
- 18.8:1
- Resource Index
- 30/100
- Enrollment
- 510
- Students per teacher
- 18.9:1
- Resource Index
- 33/100
- Enrollment
- 409
- Students per teacher
- 19.5:1
- Resource Index
- 35/100
Similar high schools in Aptos
1 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 (~113 students)
Frequently asked questions about Delta Charter
How many students attend Delta Charter?
Delta Charter has 113 students enrolled. It is a high school in Aptos, CA. CCD year-over-year: 116 (2022-23) → 116 (2023-24), nearly flat (+0).
What is the student-teacher ratio at Delta Charter?
The student-teacher ratio at Delta Charter is 14.1:1, which is 34% lower than the California average of 21.5:1 and 10% 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 Delta Charter?
30.2% of students at Delta Charter are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Delta Charter?
The largest demographic group at Delta Charter is White at 53.2% of enrollment, in Aptos, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.4/100.
What is the Resource Investment Index for Delta Charter?
Delta Charter 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 Delta Charter rank among public schools in Aptos?
By Resource Investment Index, Delta Charter ranks #1 of 6 public schools in Aptos, 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 Aptos on the city page.
What other schools are in Santa Cruz City High?
Besides Delta Charter, Santa Cruz City High also operates Santa Cruz High (1,093 students), Soquel High (1,074 students), and Harbor High (1,013 students). See the Santa Cruz City High district page for the complete list.