High school (grades 9-12) · Antonito, CO

Antonito High School

Federal NCES profile for Antonito High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 58/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 080213000035
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Compiled from official source data by .
0/100100/10058/100
👥 S:T ratio
42
🌟 Gifted program
30
🎓 Counselors
89
📋 Attendance
70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Antonito High School earns 58/100 on the Resource Investment Index, with class sizes near the Colorado median. It is also less racially and ethnically mixed than most Colorado schools.

#1 of 3
public schools in Antonito · Resource Index
58
Resource Index · Higher
14.5:1
students per teacher
66.0%
free-lunch eligible

Antonito High School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.

By Resource Investment Index, Antonito High School ranks #1 of 3 public schools in Antonito, CO.

School address

Antonito, CO 81120
District: South Conejos School District No. Re10 · Colorado

NCES ID 080213000035 Verify on NCES CCD record →

NCES CCD universe card

School universe 080213000035 · Antonito, CO High · SMALL · TRAD

58 enr · 14.5:1 · 66.0% lunch · RII 58

Nearest enrollment peer: Guadalupe Elementary School (114 students)

Resource Investment Index #1 of 3 public schools in Antonito. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Colorado schools → · Find another →

Antonito High School in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Antonito High School reports 58 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Antonito High School compares

Antonito High School on the metrics families compare, against Colorado and U.S. means.

Metric This school vs Colorado Colorado avg U.S. avg
Students per teacher 14.5:1 ▼ 13% 16.6:1 15.7:1
Free-lunch eligible 66.0% ▲ 71% 38.5% 51.7%
Enrollment 58 top 94% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

14.5:1
Leaner classes than 52% of US schools, a middle-of-the-pack class size.
58
Bigger than 6% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Economic need
66.0%
free-lunch eligible - 71% above the Colorado average of 38.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
14.5:1
students per teacher - 13% below state mean
Top 37% in Colorado - lower ratio than 63% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
12.1%
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
$26,138
per pupil, district-wide - above Colorado avg of $17,910
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 57 students, the combined health-and-guidance staffing load for this school.
Discipline context
8
in-school suspensions + 6 out-of-school
Suspension rate: 13.8 per 100 students. Combined in-school and out-of-school rate: 24.1 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

Hispanic or Latino 94.8%
White 3.4%
Two or More 1.7%

Largest group: Hispanic or Latino at 94.8% of enrollment.

Student-body diversity index 10.0/100

Simpson diversity index - at 10.0, Antonito High School is less mixed than the Colorado school average of 47.1.

Programs

AP program Not offered

Funding & spending

District-wide per-pupil expenditure for South Conejos School District No. Re10, which includes Antonito High School.

$26,138
Per student
+46%
vs Colorado
Avg $17,910
+48%
vs U.S.
Avg $17,658
Revenue mix
Local 26.8%
State 55.9%
Federal 17.3%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How Antonito High School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Guadalupe Elementary School Larger Similar economic need Similar S:T ratio
Antonito Middle School Smaller Lower economic need Lower S:T ratio

Comparisons are relative to Antonito High School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

South Conejos School District No. Re10 · 2 sibling schools

View district profile

Nationwide high 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 (~58 students)

Similar student-teacher ratio (~14.5:1)

Frequently asked questions about Antonito High School

How many students attend Antonito High School?

Antonito High School has 58 students enrolled. It is a high school in Antonito, CO.

What is the student-teacher ratio at Antonito High School?

The student-teacher ratio at Antonito High School is 14.5:1, which is 13% lower than the Colorado average of 16.6:1 and 8% 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 Antonito High School?

66.0% of students at Antonito High School are eligible for free lunch, compared to the Colorado average of 38.5%.

What is the racial and ethnic makeup of Antonito High School?

The largest demographic group at Antonito High School is Hispanic or Latino at 94.8% of enrollment, in Antonito, CO.

What is the Resource Investment Index for Antonito High School?

Antonito High School has a Resource Investment Index of 58/100 (higher 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 Antonito High School rank among public schools in Antonito?

By Resource Investment Index, Antonito High School ranks #1 of 3 public schools in Antonito, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.

What other schools are in South Conejos School District No. Re10?

Besides Antonito High School, South Conejos School District No. Re10 also operates Guadalupe Elementary School (114 students) and Antonito Middle School (24 students). See the South Conejos School District No. Re10 district page for the complete list.

Read our methodology - how this data is sourced, computed, and verified.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

Compiled from official source data by .

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, the data changelog, or report a data error. Data current as of August 2026.