- Enrollment
- 2,428
- Students per teacher
- 27:1
- Resource Index
- 31/100
Elementary school (grades K-5) · Mountain House, CA
Altamont Elementary
Federal NCES profile for Altamont Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060141013781
👥 S:T ratio 15
🌟 Gifted program 70
📋 Attendance 66
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Altamont Elementary earns 50/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.
- #2 of 6
- elementary schools in Mountain House · Resource Index
- 50
- Resource Index · Higher
- 21.2:1
- students per teacher
- 12.1%
- free-lunch eligible
Altamont Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Altamont Elementary ranks #2 of 6 elementary schools in Mountain House, CA.
School address
District: Lammersville Joint Unified · California
NCES ID 060141013781 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-59 students YoY
Altamont Elementary shrank from 701 students in 2022-23 to 642 in 2023-24 (-8.4%).
Teacher FTE lost 29.6 → 27.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-59 students YoY 060141013781 · Mountain House, CA Elementary · MID · TRAD
616 enr · 21.2:1 · 12.1% lunch · RII 50
Nearest enrollment peer: Mountain House High (2,428 students)
Altamont Elementary shrank from 701 students in 2022-23 to 642 in 2023-24 (-8.4%). Teacher FTE lost 29.6 → 27.1 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Altamont Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Mountain House
Mountain House High
2,428 students
- Hansen Element 930
Hansen Elementary
930 students
- Julius Cordes 877
Julius Cordes Elementary
877 students
- Sebastian Ques 822
Sebastian Questa Elementary
822 students
- Bethany Elemen 768
Bethany Elementary
768 students
- This school 616
Altamont Elementary
616 students
What this shows Altamont Elementary reports 616 students on the CCD universe file.
How Altamont Elementary compares
Altamont Elementary is a shrinking campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.2:1 | ▼ 1% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 12.1% | ▼ 78% | 55.5% | 51.7% |
| Enrollment | 616 | top 30% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.2:1
Leaner classes than 12% of US schools, heavier class loads than most.
616
Bigger than 74% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
12.1%
free-lunch eligible
- 78% below the California average of 55.5%
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
21.2:1
students per teacher
- 1% below state mean
Top 45% in California - lower ratio than 55% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
13.5%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$11,535
per pupil, district-wide
- below California avg of $18,665
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 8 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Asian 50.6%
Hispanic or Latino 18.0%
White 13.6%
Two or More 9.7%
African American 7.0%
Native Hawaiian / Pacific Islander 0.6%
American Indian / Alaska Native 0.3%
Largest group: Asian at 50.6% of enrollment.
Student-body diversity index 67.9/100
Simpson diversity index - at 67.9, Altamont Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for Lammersville Joint Unified reports $11,535 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Altamont Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mountain House High | Larger | Similar economic need | Higher S:T ratio |
| Hansen Elementary | Larger | Similar economic need | Higher S:T ratio |
| Julius Cordes Elementary | Larger | Similar economic need | Higher S:T ratio |
| Sebastian Questa Elementary | Larger | Similar economic need | Similar S:T ratio |
| Bethany Elementary | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Altamont Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 930
- Students per teacher
- 25.1:1
- Resource Index
- 50/100
- Enrollment
- 877
- Students per teacher
- 25.8:1
- Resource Index
- 49/100
- Enrollment
- 822
- Students per teacher
- 21.1:1
- Resource Index
- 52/100
- Enrollment
- 768
- Students per teacher
- 22.6:1
- Resource Index
- 49/100
Similar elementary schools in Mountain House
5 comparable elementary schools (grades K-5) serving the same city.
Hansen Elementary
Standard public school
930 students 25.1:1 students per teacher
Julius Cordes Elementary
Standard public school
877 students 25.8:1 students per teacher
Sebastian Questa Elementary
Standard public school
822 students 21.1:1 students per teacher
Bethany Elementary
Standard public school
768 students 22.6:1 students per teacher
Wicklund Elementary
Standard public school
689 students 19.7:1 students per teacher
Nationwide elementary 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 (~616 students)
Frequently asked questions about Altamont Elementary
How many students attend Altamont Elementary?
Altamont Elementary has 616 students enrolled. It is an elementary school in Mountain House, CA. CCD year-over-year: 701 (2022-23) → 642 (2023-24), down 59.
What is the student-teacher ratio at Altamont Elementary?
The student-teacher ratio at Altamont Elementary is 21.2:1, which is 1% lower than the California average of 21.5:1 and 35% higher 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 Altamont Elementary?
12.1% of students at Altamont Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Altamont Elementary?
The largest demographic group at Altamont Elementary is Asian at 50.6% of enrollment, in Mountain House, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.9/100.
What is the Resource Investment Index for Altamont Elementary?
Altamont Elementary has a Resource Investment Index of 50/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Altamont Elementary rank among elementary schools in Mountain House?
By Resource Investment Index, Altamont Elementary ranks #2 of 6 elementary schools in Mountain House, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Mountain House on the city page.
What other schools are in Lammersville Joint Unified?
Besides Altamont Elementary, Lammersville Joint Unified also operates Mountain House High (2,428 students), Hansen Elementary (930 students), and Julius Cordes Elementary (877 students). See the Lammersville Joint Unified district page for the complete list.