Santiago High

Santiago High is one of the sizable secondary schools in Garden Grove, California, one of the schools within Garden Grove Unified, with 1,664 students on its rolls from grades 9 through 12. That puts it 99% above the typical public school in California, which averages around 838 students.

Garden Grove Unified comprises 64 schools with combined enrollment of 36,994 students; Santiago High is among them.

On the student-mix side, Santiago High logs that nearly all students (83%) are Hispanic; the rest looks like 13% Asian. By comparison, Orange County as a whole is about 34% Hispanic, so the school skews noticeably more Hispanic than its surroundings.

On the income-and-resources front, On paper, Santiago High has 84 full-time-equivalent teachers, translating to a class-load average of around 19.9:1. That figure is higher than the state norm's 18.2:1 average. About 92% of enrolled students meet the income threshold for free or reduced-price lunch, often used as a Title I proxy. Set against Orange County (around 55%), the school's rate is somewhat above typical.

On a residual basis (actual vs predicted given the student mix), Santiago High sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 24.6%; this one delivers 37.0%.

Around the school, the surrounding county (Orange County) logs that median household income runs about $116,289, roughly 44% of adults have completed at least a four-year degree, and the poverty rate sits near 7%. In all, Orange County runs 649 public schools (combined enrollment of about 430,458 students), of which Santiago High is one.

The closest other public school is Clinton Elementary, roughly 0.2 miles away. Within five miles, there are 8 other public schools. Among the 8 schools in that immediate cluster with test data (this one included), Santiago High ranks 6th on composite proficiency, below the local average of 42.6%.

The campus sits in a commuter-belt setting.

Trend over the last 7 years. Over the past 7-year window, the student count declined 18%: 2,037 students in 2018 compared to 1,664 in 2025. The student-to-teacher ratio tightened from 23.6:1 in 2018 to 19.9:1 today.

On allk12, posts here usually surface around school events, parent volunteer needs, and clubs. Members of the school community can share what they know.