At a glance
Reported students
2,563
NCES CCD 2024–25
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 2,195 same-level schools reporting enrollment.
District median enrollment
533
Aliso Niguel High: 2,563 reported students.
State peer staffing position
83rd percentile
23.5:1 reported; state peer median 19.2:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 2,750
- Teachers (FTE)
- 115
- Student–teacher ratio
- 23.9:1
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 2,195 high schools in California with comparable records, this school is larger than the reported median of 416 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 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 AP student enrollment, 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.
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?
- 3What counseling support is available today? The school reported 6 counselor FTE in 2021–22.
- 4What meal assistance, transportation, after-school, and family-support services are currently available?
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
Reported support staff
- Counselors (FTE)
- 6
- Nurses (FTE)
- 1
- Psychologists (FTE)
- 1.4
- Social workers (FTE)
- 0
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
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. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
AP student enrollment
Students enrolled
20 distinct courses reported
Gifted and talented
Offered
Computer science
Offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
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