Enrollment
1,820
Colorado · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 080345001529
Thunderridge High School — Highlands Ranch, CO
Federal NCES profile for Thunderridge High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 57/100.
👥 Class size 17
📚 AP courses 85
🌟 Gifted program 70
🎓 Counselors 56
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Douglas County School District No. Re 1 · Colorado
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
91.0
Federal CCD staff survey
Students per teacher
20.7:1
vs 16.9:1 Colorado avg
+22% vs state
Student-teacher ratio in context
How Thunderridge High School compares with Colorado and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Thunderridge High School reports 1,820 enrolled students to the National Center for Education Statistics (NCES) alongside 91.0 full-time-equivalent teachers, producing a 20.7:1 student-teacher ratio. That figure sits 22% above the Colorado state mean of 16.9:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 30% higher, a useful calibration for families comparing districts across state lines.
The school offers 17 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 221 students per counselor, meeting the American School Counselor Association recommendation of 250:1.
On the finance side, the surrounding Douglas County School District No. Re 1 spends $14,103 per pupil district-wide, below the Colorado average of $20,949 and below the national average of $19,490. Revenue comes 52.8% from local sources (property taxes), 40.8% from the state, and 6.4% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 57/100 (C), calculated from 4 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Thunderridge High School compares
Cross-validating school-level NCES values against Colorado state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.7:1 | ▲ 22% | 16.9:1 | 15.9:1 |
| Enrollment | 1,820 | top 98% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Staffing depth
20.7:1
students per teacher
— 22% above state mean
Top 91% in Colorado — lower ratio than 9% of state schools
Above 20:1 — larger class loads than the typical U.S. public school; staffing is stretched relative to enrollment.
Funding equity
$14,103
per pupil, district-wide
— below Colorado avg of $20,949
Below the U.S. average per-pupil spend — funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors8.2 FTE
Per 221 students — the combined health-and-guidance staffing load for this school.
Discipline context
40
in-school suspensions + 34 out-of-school
Suspension rate: 2.2 per 100 students. Combined in-school and out-of-school rate: 4.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Overview
Enrollment 1,820 Top 98% in Colorado — larger than 2% of 1,923 state schools
Teachers (FTE) 91.0
Students per teacher 20.7:1 +22% vs state
Free-lunch eligible —
NCES ID 080345001529
Student demographics
White 75.2%
Hispanic or Latino 14.5%
Two or More 5.5%
Asian 3.2%
African American 1.0%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 75.2% of enrollment.
Programs & staff
AP courses offered 17
Gifted & talented Yes
Counselors (FTE) 8.2
Students per counselor 221:1
Discipline & special education
In-school suspensions 40
Out-of-school suspensions 34
Expulsions 1
Funding & spending
District-wide per-pupil expenditure for Douglas County School District No. Re 1, which includes Thunderridge High School.
$14,103
Per student
-33%
vs Colorado
Avg $20,949
-28%
vs U.S.
Avg $19,490
Revenue mix
Local 52.8%
State 40.8%
Federal 6.4%
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.
Other Schools in This District
- Enrollment
- 2,803
- Students per teacher
- 16.4:1
- Enrollment
- 2,325
- Students per teacher
- 21.6:1
- Enrollment
- 2,206
- Students per teacher
- 20.8:1
- Enrollment
- 2,169
- Students per teacher
- 20.4:1
- Enrollment
- 2,007
- Students per teacher
- 19.5:1
Similar high schools in Highlands Ranch
3 comparable high schools (grades 9-12) serving the same city.
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Thunderridge High School
How many students attend Thunderridge High School?
Thunderridge High School has 1,820 students enrolled. It is a high school in HIGHLANDS RANCH, CO.
What is the student-teacher ratio at Thunderridge High School?
The student-teacher ratio at Thunderridge High School is 20.7:1, which is 22% higher than the Colorado average of 16.9:1 and 30% higher than the national average of 15.9:1.
What is the racial and ethnic makeup of Thunderridge High School?
The largest demographic group at Thunderridge High School is White at 75.2%. The school serves a diverse student body in HIGHLANDS RANCH, CO.
What is the Resource Investment Index for Thunderridge High School?
Thunderridge High School has a Resource Investment Index of 57/100 (C) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.