School overview
At a glance
Reported students
2,563
NCES CCD 2024–25, where reported
Teachers (FTE)
108.9
NCES CCD 2024–25
Student–teacher ratio
23.5:1
Calculated, not a class-size measure
Grades served
09–12
NCES preliminary directory 2025–26
School benchmarks
California high enrollment
96th percentile
Compared with 2,196 same-level schools reporting enrollment.
District median enrollment
533
Aliso Niguel High: 2,563 reported students.
State peer staffing position
83th percentile
23.5:1 reported; state peer median 19.2:1. Ratio is not class size.
Profile interpretation
What the reported data says about Aliso Niguel High
Aliso Niguel High is a public high school serving grades 09–12 in Aliso Viejo. It is one of 59 current school records connected to Capistrano Unified. NCES reports 2,563 students for 2024–25.
Among 2,196 high schools in California with comparable records, this school is larger than the reported median of 414.5 students. Its enrollment is at approximately the 96th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 23.5:1, above the California median of 19.2:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The two largest reported race and ethnicity groups are White (49.2%) and Hispanic or Latino (21.6%). English learners represent 3% of enrollment. Students served under IDEA represent 9.3%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports access to Advanced Placement, gifted and talented programming, computer science. The school reported 20 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Turn data into a school visit
Questions worth asking Aliso Niguel High
- 1How do the reported 23.5:1 student–teacher ratio and 108.9 teacher FTE translate into actual class sizes by grade?
- 2Have the reported academic programs changed since the 2021–22 CRDC collection?
- 3How are the school's 6 counselor FTE allocated across grades and student needs?
- 4What meal assistance, transportation, after-school, and family-support services are currently available?
Student context
Enrollment needs
- English learners
- 3%
- Students with disabilities
- 9.3%
- Free/reduced-price lunch
- 33.1%
- Lunch program
- Yes participating without using any Provision or the CEO
People available to students
Support staff
- Counselors (FTE)
- 6
- Nurses (FTE)
- 1
- Psychologists (FTE)
- 1.4
- Social workers (FTE)
- 0
Student demographics
Race and ethnicity share of reported enrollment
- White49.2%
- Hispanic21.6%
- Black0.9%
- Asian17.3%
- American Indian / Alaska Native0.2%
- Native Hawaiian / Pacific Islander0.1%
- Multiracial10.5%
Race/ethnicity: NCES CCD 2024–25 where reported, otherwise CRDC 2021–22. English learner and disability context: CRDC 2021–22. Privacy rules can produce missing values.
Learning opportunities
Programs reported by the school
Advanced Placement
Offered
20 courses reported
Gifted and talented
Offered
Computer science
Offered
Program availability is from CRDC 2021–22 and can change. Confirm current courses and eligibility with the school.
Continue exploring
Other schools in Capistrano Unified
Start with campuses at the same school level or with similar reported enrollment.
San Juan Hills High
High · Grades 09–12
2,641 reported students
San Clemente High
High · Grades 09–12
2,740 reported students
Tesoro High
High · Grades 09–12
2,030 reported students
Capistrano Valley High
High · Grades 09–12
1,991 reported students
Dana Hills High
High · Grades 09–12
1,725 reported students
California Preparatory Academy
High · Grades 09–12
198 reported students