- Enrollment
- 1,181
- Students per teacher
- 20:1
- Resource Index
- 42/100
Other / mixed grade configuration · Los Alamos, NM
Mountain Elementary
Federal NCES profile for Mountain Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataOther / mixed grade configurationNCES 350165000433
👥 S:T ratio 46
🌟 Gifted program 70
🎓 Counselors 13
📋 Attendance 17
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mountain Elementary earns 36/100 on the Resource Investment Index, with class sizes near the New Mexico median. It is also more racially and ethnically mixed than most New Mexico schools.
- #3 of 3
- schools in Los Alamos · Resource Index
- 36
- Resource Index · Typical
- 13.6:1
- students per teacher
- 8.6%
- free-lunch eligible
Mountain Elementary has class sizes near the New Mexico median. Computed live against every New Mexico school reporting to NCES.
By Resource Investment Index, Mountain Elementary ranks #3 of 3 schools in Los Alamos, NM.
School address
District: Los Alamos Public Schools · New Mexico
NCES ID 350165000433 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+22 students YoY
Mountain Elementary grew from 421 students in 2022-23 to 443 in 2023-24 (+5.2%).
Teacher FTE added 32.5 → 33.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+22 students YoY 350165000433 · Los Alamos, NM Other · SMALL · TRAD
435 enr · 13.6:1 · 8.6% lunch · RII 36
Nearest enrollment peer: Los Alamos High (1,181 students)
Mountain Elementary grew from 421 students in 2022-23 to 443 in 2023-24 (+5.2%). Teacher FTE added 32.5 → 33.8 across the same CCD years. Read with this school → · District book → · New Mexico schools → · Find another →
Mountain Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Los Alamos Hig
Los Alamos High
1,181 students
- Los Alamos Mid
Los Alamos Middle
543 students
- This school 435
Mountain Elementary
435 students
- Barranca Mesa 429
Barranca Mesa Elementary
429 students
- Aspen Elementa 428
Aspen Elementary
428 students
- Pinon Elementa 350
Pinon Elementary
350 students
What this shows Mountain Elementary reports 435 students on the CCD universe file.
How Mountain Elementary compares
Mountain Elementary is a growing campus on CCD: ratios and free-lunch share vs New Mexico and U.S. means.
| Metric | This school | vs New Mexico | New Mexico avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.6:1 | ▼ 3% | 14:1 | 15.7:1 |
| Free-lunch eligible | 8.6% | ▼ 89% | 80.8% | 51.7% |
| Enrollment | 435 | top 25% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.6:1
Leaner classes than 61% of US schools, a middle-of-the-pack class size.
435
Bigger than 53% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
8.6%
free-lunch eligible
- 89% below the New Mexico average of 80.8%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.6:1
students per teacher
- 3% below state mean
Top 53% in New Mexico - lower ratio than 47% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
33.1%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,624
per pupil, district-wide
- below New Mexico avg of $19,381
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 435 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 55.2%
Hispanic or Latino 29.0%
Asian 10.1%
American Indian / Alaska Native 3.2%
African American 2.1%
Two or More 0.5%
Largest group: White at 55.2% of enrollment.
Student-body diversity index 60.0/100
Simpson diversity index - at 60.0, Mountain Elementary is more mixed than the New Mexico school average of 39.8.
Programs
Gifted & talented Yes
District finance for Los Alamos Public Schools reports $14,624 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mountain Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Los Alamos High | Larger | Similar economic need | Higher S:T ratio |
| Los Alamos Middle | Similar size | Similar economic need | Lower S:T ratio |
| Barranca Mesa Elementary | Similar size | Similar economic need | Similar S:T ratio |
| Aspen Elementary | Similar size | Higher economic need | Similar S:T ratio |
| Pinon Elementary | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Mountain Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 543
- Students per teacher
- 10.9:1
- Resource Index
- 54/100
- Enrollment
- 429
- Students per teacher
- 12.6:1
- Resource Index
- 42/100
- Enrollment
- 428
- Students per teacher
- 12.2:1
- Resource Index
- 40/100
- Enrollment
- 350
- Students per teacher
- 13.5:1
- Resource Index
- 53/100
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~435 students)
Frequently asked questions about Mountain Elementary
How many students attend Mountain Elementary?
Mountain Elementary has 435 students enrolled. It is a public school in Los Alamos, NM. CCD year-over-year: 421 (2022-23) → 443 (2023-24), up 22.
What is the student-teacher ratio at Mountain Elementary?
The student-teacher ratio at Mountain Elementary is 13.6:1, which is 3% lower than the New Mexico average of 14:1 and 13% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Mountain Elementary?
8.6% of students at Mountain Elementary are eligible for free lunch, compared to the New Mexico average of 80.8%.
What is the racial and ethnic makeup of Mountain Elementary?
The largest demographic group at Mountain Elementary is White at 55.2% of enrollment, in Los Alamos, NM. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.0/100.
What is the Resource Investment Index for Mountain Elementary?
Mountain Elementary has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mountain Elementary rank among schools in Los Alamos?
By Resource Investment Index, Mountain Elementary ranks #3 of 3 schools in Los Alamos, NM. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Los Alamos on the city page.
What other schools are in Los Alamos Public Schools?
Besides Mountain Elementary, Los Alamos Public Schools also operates Los Alamos High (1,181 students), Los Alamos Middle (543 students), and Barranca Mesa Elementary (429 students). See the Los Alamos Public Schools district page for the complete list.