Del Oro High

Del Oro High is a well-populated high school in Loomis, California, overseen by Placer Union High. The school enrolls 1,634 students in grades 9 through 12. Compared to the state average of about 838 students per school, that is 95% above typical.

Placer Union High comprises 6 schools with combined enrollment of 3,918 students; Del Oro High is among them.

In terms of who attends, Del Oro High shows that White students make up the majority at 73%. Beyond that, the school reports 13% Hispanic, 9% multiracial, 3% Asian.

In terms of school funding signals, Staff filings list 67 full-time-equivalent teachers, which works out to roughly 24.3:1 students per teacher. The state averages around 18.2:1, so this campus is higher than the state norm typical. Around 13% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. By comparison, Placer County runs at roughly 33%, so the school's eligibility rate is meaningfully below the surrounding baseline.

On a residual basis (actual vs predicted given the student mix), Del Oro High performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 71.8%, the actual is 68.9%, a residual of -2.9 points.

Across the wider county, ACS estimates for Placer County put the typical household earns roughly $115,998 per year, roughly 43% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. Del Oro High is one of 123 public schools in Placer County (combined enrollment of about 70,590 students).

The closest other public school is Loomis Elementary, roughly 0.6 miles away. Counting just inside five miles, 8 other public schools cluster around Del Oro High. Among the 9 schools in that immediate cluster with test data (this one included), Del Oro High ranks 4th on composite proficiency, above the local average of 68.2%.

Geographically, the school is in a commuter-belt area.

Looking at the recent track record. Over the past 7-year window, the student count decreased 7%: 1,752 students in 2018 compared to 1,634 in 2025. Over the same period, the White share contracted from 78% to 73%.

Within the allk12 community for this school, members of the Del Oro High community share and discuss science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.