Enrollment
353
New Mexico · 2024-25 NCES data
High school (grades 9-12) · Los Lunas, NM
Century Alt High
Federal NCES profile for Century Alt High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 24/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 350168000807
👥 S:T ratio 0
📚 AP courses 5
🌟 Gifted program 30
🎓 Counselors 29
📋 Attendance 57
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Century Alt High earns 24/100 on the Resource Investment Index, with class sizes larger than 99% of New Mexico schools.
- #3 of 3
- high schools in Los Lunas · Resource Index
- 24
- Resource Index · Lower
- 58.8:1
- large classes for New Mexico
- 100.0%
- free-lunch eligible
Century Alt High has class sizes larger than 99% of New Mexico schools. Computed live against every New Mexico school reporting to NCES.
By Resource Investment Index, Century Alt High ranks #3 of 3 high schools in Los Lunas, NM.
School address
District: Los Lunas Public Schools · New Mexico
NCES ID 350168000807 Verify on NCES CCD record →
Teachers (FTE)
6.0
Federal CCD staff survey
Students per teacher
58.8:1
vs 14:1 New Mexico avg
+320% vs state
Free-lunch eligible
100.0%
vs 80.8% New Mexico avg
+24% vs state
Student-teacher ratio in context
How Century Alt High compares with New Mexico and U.S. medians
What stands out at Century Alt High
Century Alt High is a high-poverty, mid-sized high school in Los Lunas, New Mexico, enrolling 353 students.
Class loads run heavy: 58.8:1 is larger than about 99% of New Mexico schools and 320% above the 14:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 100.0% lands close to the New Mexico typical range, neither a high- nor low-need campus by this measure.
With 353 students, its enrollment sits close to the New Mexico median campus size.
Its Resource Investment Index lands in the lower third of 867 scored New Mexico schools.
Among 287 similarly sized, similarly resourced-need New Mexico schools statewide, it ranks #242, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (75%) and White (16%) (diversity index 41/100).
On the academic-pipeline side it reports 1 Advanced Placement course.
Counselor availability sits well past the ASCA benchmark, roughly 353 students sharing each counselor, though short of the most stretched campuses.
17.3% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Los Lunas Public Schools spends $10,978 per pupil, 34% below the New Mexico average, a leaner-resourced district than most.
Los Lunas Public Schools also operates Los Lunas High (1,460 students) and Valencia High (960 students) alongside Century Alt High.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Century Alt High compares
Century Alt High on the metrics families compare, against New Mexico and U.S. means.
| Metric | This school | vs New Mexico | New Mexico avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 58.8:1 | ▲ 320% | 14:1 | 15.7:1 |
| Free-lunch eligible | 100.0% | ▲ 24% | 80.8% | 51.7% |
| Enrollment | 353 | top 37% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
58.8:1
Leaner classes than 0% of US schools, heavier class loads than most.
353
Bigger than 40% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
100.0%
free-lunch eligible
- 24% above the New Mexico average of 80.8%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
58.8:1
students per teacher
- 320% above state mean
Top 99% in New Mexico - lower ratio than 1% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
17.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$10,978
per pupil, district-wide
- below New Mexico avg of $16,652
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 353 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.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 74.8%
White 15.9%
American Indian / Alaska Native 4.8%
Two or More 3.1%
African American 1.1%
Native Hawaiian / Pacific Islander 0.3%
Largest group: Hispanic or Latino at 74.8% of enrollment.
Student-body diversity index 41.2/100
Simpson diversity index - at 41.2, Century Alt High is about as mixed as the New Mexico school average of 39.8.
Programs
AP courses offered 1
Funding & spending
District-wide per-pupil expenditure for Los Lunas Public Schools, which includes Century Alt High.
$10,978
Per student
-34%
vs New Mexico
Avg $16,652
-34%
vs U.S.
Avg $16,593
Revenue mix
Local 13.5%
State 72.7%
Federal 13.8%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Century Alt High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Los Lunas High | Larger | No free-lunch data | Lower S:T ratio |
| Valencia High | Larger | Similar economic need | Lower S:T ratio |
| Los Lunas Middle | Larger | Similar economic need | Lower S:T ratio |
| Sundance Elementary | Larger | No free-lunch data | Lower S:T ratio |
| Katherine Gallegos Elementary | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Century Alt High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,460
- Students per teacher
- 20.6:1
- Resource Index
- 33/100
- Enrollment
- 960
- Students per teacher
- 20.4:1
- Resource Index
- 31/100
- Enrollment
- 719
- Students per teacher
- 19.4:1
- Resource Index
- 46/100
- Enrollment
- 617
- Students per teacher
- 19.3:1
- Resource Index
- 31/100
- Enrollment
- 605
- Students per teacher
- 18.3:1
- Resource Index
- 31/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of New Mexico, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~353 students)
Next steps
Verify locally before acting on Century Alt High's federal record.
- Compare Century Alt High against another school. Compare schools
- Los Lunas Public Schools's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Century Alt High
How many students attend Century Alt High?
Century Alt High has 353 students enrolled. It is a high school in Los Lunas, NM.
What is the student-teacher ratio at Century Alt High?
The student-teacher ratio at Century Alt High is 58.8:1, which is 320% higher than the New Mexico average of 14:1 and 275% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Century Alt High?
100.0% of students at Century Alt High are eligible for free lunch, compared to the New Mexico average of 80.8%.
What is the racial and ethnic makeup of Century Alt High?
The largest demographic group at Century Alt High is Hispanic or Latino at 74.8% of enrollment, in Los Lunas, NM.
What is the Resource Investment Index for Century Alt High?
Century Alt High has a Resource Investment Index of 24/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Century Alt High rank among high schools in Los Lunas?
By Resource Investment Index, Century Alt High ranks #3 of 3 high schools in Los Lunas, NM. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Los Lunas on the city page.
Is Century Alt High a good school?
Century Alt High earns 24/100 on the Resource Investment Index, with class sizes larger than 99% of New Mexico schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Los Lunas Public Schools?
Besides Century Alt High, Los Lunas Public Schools also operates Los Lunas High (1,460 students), Valencia High (960 students), and Los Lunas Middle (719 students). See the Los Lunas Public Schools district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.