Miramonte High

Miramonte High, an average-sized high school in Orinda, California, overseen by Acalanes Union High, hosts 1,167 students, covering grades 9 through 12. Enrollment runs roughly 39% bigger than the state mean of about 838.

Acalanes Union High comprises 5 schools with combined enrollment of 5,401 students; Miramonte High is among them.

On the student-mix side, Miramonte High shows that the largest single group is White, at 56% of enrollment. Other groups include 22% Asian, 12% multiracial, 9% Hispanic. That is considerably more White than the county at large, where the share is closer to 41%.

On the income-and-resources front, On paper, Miramonte High has 61 full-time-equivalent teachers, translating to a class-load average of around 19.0:1. Statewide, the average ratio sits near 18.2:1, putting Miramonte High higher than the state norm the norm. Around 5% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy. Set against Contra Costa County (around 45%), the school's rate is south of typical.

Adjusting for the school's free-and-reduced-lunch share, Miramonte High sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 76.8%; this one delivers 80.2%.

In the broader community, Contra Costa County reports that median household income runs about $127,229, roughly 45% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 6%. In all, Contra Costa County runs 280 public schools (combined enrollment of about 167,423 students), of which Miramonte High is one.

Del Rey Elementary is the nearest neighboring public school, about 0.5 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Miramonte High comes 5th of 9 in the immediate cluster, higher than the nearby-schools average of 78.9%.

Miramonte High operates from a bedroom-community location.

Trend over the last 7 years. Over the past 7-year window, the student count declined 11%: 1,316 students in 2018 compared to 1,167 in 2025. The White share of enrollment declined from 62% to 56% over that span. Class-load math has tightened: from 20.4:1 in 2018 to 19.0:1 in 2025.

On the community side, the page collects discussion, questions, and updates around school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.