Arundel Elementary

Located at 200 Arundel Rd., in San Carlos, California, Arundel Elementary is a small primary school that serves 388 students (grades K through 3), operated by San Carlos Elementary.

San Carlos Elementary comprises 8 schools with combined enrollment of 2,875 students; Arundel Elementary is among them.

In terms of who attends, Arundel Elementary logs that the most-represented group is White (33%), with the rest of the student body spread across multiple groups. Beyond that, the school lists 29% Asian, 22% multiracial, 15% Hispanic.

On the income-and-resources front, Arundel Elementary records 17 full-time-equivalent teachers, putting the student-to-teacher ratio at about 22.8:1. The state averages about 22.3:1, putting this campus right in line with peers. Roughly 11% of students at Arundel Elementary qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. Set against San Mateo County (around 34%), the school's rate is noticeably below typical.

After controlling for student poverty, Arundel Elementary sits in the top 10% of California schools after the BeatsExpectations adjustment. Predicted proficiency for the school's FRL share is roughly 72.8%; actual is 89.6%, +16.8 points clear of the demographic baseline.

Across the wider county, ACS estimates for San Mateo County put median household income runs about $158,855, roughly 54% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 4%. In all, San Mateo County runs 176 public schools (combined enrollment of about 82,403 students), of which Arundel Elementary is one.

The closest other public school is Mariposa, roughly 0.7 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Arundel Elementary comes 1st of 8 in the immediate cluster, higher than the nearby-schools average of 78.9%.

The school occupies a suburban site.

Looking at the recent track record. Over the past 7-year window, the student count fell 20%: 484 students in 2018 compared to 388 in 2025. The White share of enrollment fell from 52% to 33% over that span. Class-load math has grew: from 20.6:1 in 2018 to 22.8:1 in 2025.

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