MOUNTAIN ELEMENTARY

MOUNTAIN ELEMENTARY, a sizable primary school in LOS ALAMOS, New Mexico, operated by LOS ALAMOS, instructs 435 students, covering grades pre-K through 6. Compared to the state average of about 287 students per school, that is 52% above typical.

LOS ALAMOS comprises 8 schools with combined enrollment of 3,971 students; MOUNTAIN ELEMENTARY is among them.

In terms of who attends, MOUNTAIN ELEMENTARY shows that White students make up the majority at 55%. Beyond that, the school lists 29% Hispanic, 10% Asian, 3% Native American, 2% Black. The wider county runs roughly 75% White, putting the school's mix meaningfully less White than the area baseline.

Looking at school resources, Staff filings list 36 full-time-equivalent teachers, which works out to roughly 12.3:1 students per teacher. That tracks the state average closely. About 10% of enrolled students meet the income threshold for free or reduced-price lunch, often used as a Title I proxy.

With demographic context factored in, MOUNTAIN ELEMENTARY sits in the top 10% of New Mexico schools after the BeatsExpectations adjustment. Predicted proficiency for the school's FRL share is roughly 55.1%; actual is 78.1%, +23.0 points clear of the demographic baseline.

Across the wider county, the surrounding county (Los Alamos County) shows that the typical household earns roughly $147,139 per year, 70% of adults hold a bachelor's degree or higher, and roughly 3% of residents live below the federal poverty line. MOUNTAIN ELEMENTARY is one of 8 public schools in Los Alamos County (combined enrollment of about 3,971 students).

Nearest neighbor: ASPEN ELEMENTARY, around 0.7 miles off. Counting just inside five miles, 5 other public schools cluster around MOUNTAIN ELEMENTARY. Ranking that nearby cluster on reported proficiency puts MOUNTAIN ELEMENTARY at 1st of 6; the average score across the group is 65.2%.

Geographically, the school is in a small-town area.

Looking at the recent track record. Looking back 7 years, enrollment at MOUNTAIN ELEMENTARY has grew 3%, going from 424 students in 2018 to 435 in 2025. The White share of enrollment shrank from 61% to 55% over that span. Class-load math has narrowed: from 14.1:1 in 2018 to 12.3:1 in 2025.

On allk12, members of the MOUNTAIN ELEMENTARY community share and discuss fundraisers, lost-and-found posts, and report-card season. Posting is open to anyone connected to the school.