Sumner Elementary

Sumner Elementary is an elementary school of mid-tier scale in Claremont, California, part of Claremont Unified, serveing 444 students in grades K through 6.

Within Claremont Unified, which oversees 11 schools and 6,120 students, Sumner Elementary is one campus in the system.

On demographics, Sumner Elementary lists that 55% of the student body identifies as Hispanic. Other groups include 25% White, 8% Asian, 6% Black, 5% multiracial.

In terms of school funding signals, The school reports having 19 full-time-equivalent teachers, for a student-teacher ratio near 23.4:1. The state averages around 22.3:1, so this campus is higher than the state norm typical. About 46% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against Los Angeles County (around 70%), the school's rate is meaningfully below typical.

On a residual basis (actual vs predicted given the student mix), Sumner Elementary sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 52.3%; this one delivers 43.8%.

In the area at large, census data for Los Angeles County shows the typical household earns roughly $90,112 per year, about 36% of the adult population holds a bachelor's degree or above, and roughly 10% of residents live below the federal poverty line. In all, Los Angeles County runs 2244 public schools (combined enrollment of about 1,265,907 students), of which Sumner Elementary is one.

Danbury Special Education is the nearest neighboring public school, about 0.1 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Sumner Elementary comes 6th of 8 in the immediate cluster, below the nearby-schools average of 54.7%.

Geographically, the school is in a suburban area.

Over the past 7-year window. Looking back 7 years, enrollment at Sumner Elementary has declined 13%, going from 513 students in 2018 to 444 in 2025. White enrollment moved from 32% to 25% across the same window. Class-load math has fell: from 24.4:1 in 2018 to 23.4:1 in 2025.

Within the allk12 community for this school, the page collects discussion, questions, and updates around pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.