High school (grades 9-12) · Aliso Viejo, CA

Aliso Niguel High

Federal NCES profile for Aliso Niguel High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 060744002328
0/100100/10035/100
👥 S:T ratio
10
🌟 Gifted program
70
🎓 Counselors
15
📋 Attendance
43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Aliso Niguel High earns 35/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.

#4 of 8
public schools in Aliso Viejo · Resource Index
35
Resource Index · Typical
22.5:1
students per teacher
22.5%
free-lunch eligible

Aliso Niguel High has class sizes near the California median. Computed live against every California school reporting to NCES.

By Resource Investment Index, Aliso Niguel High ranks #4 of 8 public schools in Aliso Viejo, CA.

CCD year-over-year · 2022-23 → 2023-24

-166 students YoY

Aliso Niguel High shrank from 2,774 students in 2022-23 to 2,608 in 2023-24 (-6.0%).

Teacher FTE added 115.0 → 117.1 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Shrinking CCD campus

-166 students YoY 060744002328 · Aliso Viejo, CA High · LARGE · TRAD

2,563 enr · 22.5:1 · 22.5% lunch · RII 35

Nearest enrollment peer: San Clemente High (2,740 students)

Aliso Niguel High shrank from 2,774 students in 2022-23 to 2,608 in 2023-24 (-6.0%). Teacher FTE added 115.0 → 117.1 across the same CCD years. Read with this school → · District book → · California schools → · Find another →

Aliso Niguel High in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Aliso Niguel High reports 2,563 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Aliso Niguel High compares

Aliso Niguel High is a shrinking 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 22.5:1 ▲ 5% 21.5:1 15.7:1
Free-lunch eligible 22.5% ▼ 59% 55.5% 51.7%
Enrollment 2,563 top 1% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

22.5:1
Leaner classes than 9% of US schools, heavier class loads than most.
2,563
Bigger than 99% of US schools by enrollment, a large campus nationally.

Equity indicators methodology

Economic need
22.5%
free-lunch eligible - 59% 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
22.5:1
students per teacher - 5% above state mean
Top 58% in California - lower ratio than 42% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
22.6%
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
$15,820
per pupil, district-wide - below California avg of $18,665
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors6.0 FTE
Per 427 students, the combined health-and-guidance staffing load for this school.
Discipline context
39
in-school suspensions + 64 out-of-school
Suspension rate: 1.5 per 100 students. Combined in-school and out-of-school rate: 4.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.

Student demographics

White 49.3%
Hispanic or Latino 21.6%
Asian 17.4%
Two or More 10.5%
African American 0.9%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.1%

Largest group: White at 49.3% of enrollment.

Student-body diversity index 66.9/100

Simpson diversity index - at 66.9, Aliso Niguel High is more mixed than the California school average of 46.0.

Programs

AP courses offered 20
Gifted & talented Yes

District finance for Capistrano Unified reports $15,820 per pupil (NCES F-33) - open the district page for the full revenue mix.

How Aliso Niguel High Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
San Clemente High Similar size Similar economic need Similar S:T ratio
San Juan Hills High Similar size Similar economic need Similar S:T ratio
Tesoro High Similar size Similar economic need Similar S:T ratio
Capistrano Valley High Similar size Similar economic need Similar S:T ratio
Dana Hills High Smaller Similar economic need Lower S:T ratio

Comparisons are relative to Aliso Niguel High's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Capistrano Unified · 5 sibling schools

View district profile

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.

Frequently asked questions about Aliso Niguel High

How many students attend Aliso Niguel High?

Aliso Niguel High has 2,563 students enrolled. It is a high school in Aliso Viejo, CA. CCD year-over-year: 2,774 (2022-23) → 2,608 (2023-24), down 166.

What is the student-teacher ratio at Aliso Niguel High?

The student-teacher ratio at Aliso Niguel High is 22.5:1, which is 5% higher than the California average of 21.5:1 and 43% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Aliso Niguel High?

22.5% of students at Aliso Niguel High are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Aliso Niguel High?

The largest demographic group at Aliso Niguel High is White at 49.3% of enrollment, in Aliso Viejo, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.9/100.

What is the Resource Investment Index for Aliso Niguel High?

Aliso Niguel High has a Resource Investment Index of 35/100 (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 Aliso Niguel High rank among public schools in Aliso Viejo?

By Resource Investment Index, Aliso Niguel High ranks #4 of 8 public schools in Aliso Viejo, 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 Aliso Viejo on the city page.

What other schools are in Capistrano Unified?

Besides Aliso Niguel High, Capistrano Unified also operates San Clemente High (2,740 students), San Juan Hills High (2,641 students), and Tesoro High (2,030 students). See the Capistrano Unified district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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