Killybrooke Elementary

Killybrooke Elementary is an elementary-level community of middle-of-the-pack scale in Costa Mesa, California, overseen by Newport-Mesa Unified, enrolling 473 students in grades K through 6.

Killybrooke Elementary is one of 31 schools operated by Newport-Mesa Unified, a district that caters to 17,540 students overall.

Demographically, Killybrooke Elementary shows that the largest single group is Hispanic, at 62% of enrollment. Beyond that, the school logs 21% White, 8% multiracial, 7% Asian, 2% Black. The wider county runs roughly 34% Hispanic, putting the school's mix noticeably more Hispanic than the area baseline.

In terms of school funding signals, Staff filings list 26 full-time-equivalent teachers, which works out to roughly 18.2:1 students per teacher. That figure is tighter than the state norm's 22.3:1 average. An estimated 71% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. Set against Orange County (around 55%), the school's rate is meaningfully above typical.

On a residual basis (actual vs predicted given the student mix), Killybrooke Elementary is in the OUTPERFORMING tier of the BeatsExpectations model, which fits a per-state line through proficiency and FRL share. Schools with this campus's poverty mix typically land near 37.2%; this one delivers 56.1%, a residual of +18.9 points.

In the surrounding community, community-level numbers for Orange County indicate median household earnings sit near $116,289, about 44% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 7%. Killybrooke Elementary is one of 649 public schools in Orange County (combined enrollment of about 430,458 students).

Charles W. Tewinkle Middle is the nearest neighboring public school, about 0.6 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 6 schools in that immediate cluster with test data (this one included), Killybrooke Elementary ranks 2nd on composite proficiency, above the local average of 44.0%.

Geographically, the school is in a downtown area.

Over the past 7-year window. Killybrooke Elementary's enrollment has rose 15% since 2018, when it stood at 413 (now 473). Class-load math has tightened: from 22.9:1 in 2018 to 18.2:1 in 2025.

On the community side, recent activity here tends to focus on fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.