Enrollment
344
Colorado · 2024-25 NCES data
Other / mixed grade configuration · Lyons, CO
Lyons Middle/Senior High School
Federal NCES profile for Lyons Middle/Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
2024-25 NCES dataOther / mixed grade configurationNCES 080537000912
👥 S:T ratio 40
🌟 Gifted program 70
🎓 Counselors 74
📋 Attendance 46
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lyons Middle/Senior High School earns 57/100 on the Resource Investment Index, with class sizes near the Colorado median.
- 57
- Resource Index · Higher
- 15:1
- students per teacher
- 13.2%
- free-lunch eligible
- 344
- students enrolled
Lyons Middle/Senior High School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
School address
District: St. Vrain Valley School District No. Re1j · Colorado
NCES ID 080537000912 Verify on NCES CCD record →
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
15:1
vs 16.6:1 Colorado avg
-10% vs state
Free-lunch eligible
13.2%
vs 38.5% Colorado avg
-66% vs state
Student-teacher ratio in context
How Lyons Middle/Senior High School compares with Colorado and U.S. medians
What stands out at Lyons Middle/Senior High School
Lyons Middle/Senior High School is a lower-poverty, mid-sized combined-grade school in Lyons, Colorado, enrolling 344 students.
At 15:1, its student-teacher ratio sits close to the Colorado median, within a few percentage points of the 16.6:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 13.2% of students eligible for free meals.
With 344 students, its enrollment sits close to the Colorado median campus size.
Its Resource Investment Index lands in the upper third of 1,922 scored Colorado schools.
Among 295 similarly sized, similarly resourced-need Colorado schools statewide, it ranks #24, a top-tier result once campus size and economic need are matched.
Its student body is predominantly White (86% of enrollment) (diversity index 26/100).
Counselor coverage is strong, about 132 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 21.5% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding St. Vrain Valley School District No. Re1j spends $12,559 per pupil, 23% below the Colorado average, a leaner-resourced district than most.
St. Vrain Valley School District No. Re1j also operates Erie High School (1,727 students) and Niwot High School (1,509 students) alongside Lyons Middle/Senior High School.
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 Lyons Middle/Senior High School compares
Lyons Middle/Senior 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 | 15:1 | ▼ 10% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 13.2% | ▼ 66% | 38.5% | 51.7% |
| Enrollment | 344 | top 53% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15:1
Leaner classes than 47% of US schools, a middle-of-the-pack class size.
344
Bigger than 39% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
13.2%
free-lunch eligible
- 66% below the Colorado average of 38.5%
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
15:1
students per teacher
- 10% below state mean
Top 41% in Colorado - lower ratio than 59% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
21.5%
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
$12,559
per pupil, district-wide
- below Colorado avg of $16,273
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.6 FTE
Per 132 students, the combined health-and-guidance staffing load for this school.
Discipline context
29
in-school suspensions + 22 out-of-school
Suspension rate: 8.4 per 100 students. Combined in-school and out-of-school rate: 14.8 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
White 85.5%
Hispanic or Latino 9.3%
Two or More 4.4%
African American 0.3%
Asian 0.3%
American Indian / Alaska Native 0.3%
Largest group: White at 85.5% of enrollment.
Student-body diversity index 25.8/100
Simpson diversity index - at 25.8, Lyons Middle/Senior High School is less mixed than the Colorado school average of 47.1.
Programs
AP courses offered 4
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for St. Vrain Valley School District No. Re1j, which includes Lyons Middle/Senior High School.
$12,559
Per student
-23%
vs Colorado
Avg $16,273
-24%
vs U.S.
Avg $16,593
Revenue mix
Local 54.1%
State 36.7%
Federal 9.3%
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 Lyons Middle/Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Erie High School | Larger | Similar economic need | Higher S:T ratio |
| Niwot High School | Larger | Similar economic need | Higher S:T ratio |
| Frederick Senior High School | Larger | Higher economic need | Higher S:T ratio |
| Longmont High School | Larger | Higher economic need | Higher S:T ratio |
| Soaring Heights Pk-8 | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Lyons Middle/Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,727
- Students per teacher
- 23.3:1
- Resource Index
- 37/100
- Enrollment
- 1,509
- Students per teacher
- 26.9:1
- Resource Index
- 32/100
- Enrollment
- 1,491
- Students per teacher
- 25.3:1
- Resource Index
- 32/100
- Enrollment
- 1,268
- Students per teacher
- 20.1:1
- Resource Index
- 37/100
- Enrollment
- 1,211
- Students per teacher
- 17.3:1
- Resource Index
- 46/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Colorado, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~344 students)
Next steps
Verify locally before acting on Lyons Middle/Senior High School's federal record.
- Compare Lyons Middle/Senior High School against another school. Compare schools
- St. Vrain Valley School District No. Re1j'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 Lyons Middle/Senior High School
How many students attend Lyons Middle/Senior High School?
Lyons Middle/Senior High School has 344 students enrolled. It is a public school in Lyons, CO.
What is the student-teacher ratio at Lyons Middle/Senior High School?
The student-teacher ratio at Lyons Middle/Senior High School is 15:1, which is 10% lower than the Colorado average of 16.6:1 and 4% 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 Lyons Middle/Senior High School?
13.2% of students at Lyons Middle/Senior High School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Lyons Middle/Senior High School?
The largest demographic group at Lyons Middle/Senior High School is White at 85.5% of enrollment, in Lyons, CO.
What is the Resource Investment Index for Lyons Middle/Senior High School?
Lyons Middle/Senior High School has a Resource Investment Index of 57/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Lyons Middle/Senior High School a good school?
Lyons Middle/Senior High School earns 57/100 on the Resource Investment Index, with class sizes near the Colorado median. 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 St. Vrain Valley School District No. Re1j?
Besides Lyons Middle/Senior High School, St. Vrain Valley School District No. Re1j also operates Erie High School (1,727 students), Niwot High School (1,509 students), and Frederick Senior High School (1,491 students). See the St. Vrain Valley School District No. Re1j 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.