Enrollment
113
Colorado · 2024-25 NCES data
High school (grades 9-12) · Castle Rock, CO
Daniel C Oakes High School--Castle Rock
Federal NCES profile for Daniel C Oakes High School--Castle Rock, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 080345006218
👥 S:T ratio 62
📚 AP courses 10
🌟 Gifted program 70
🎓 Counselors 80
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Daniel C Oakes High School--Castle Rock earns 56/100 on the Resource Investment Index, with class sizes smaller than 94% of Colorado schools.
- #1 of 3
- high schools in Castle Rock · Resource Index
- 56
- Resource Index · Higher
- 9.4:1
- small classes for Colorado
- 113
- students enrolled
Daniel C Oakes High School--Castle Rock has class sizes smaller than 94% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Daniel C Oakes High School--Castle Rock ranks #1 of 3 high schools in Castle Rock, CO.
School address
District: Douglas County School District No. Re 1 · Colorado
NCES ID 080345006218 Verify on NCES CCD record →
Teachers (FTE)
12.0
Federal CCD staff survey
Students per teacher
9.4:1
vs 16.6:1 Colorado avg
-43% vs state
Student-teacher ratio in context
How Daniel C Oakes High School--Castle Rock compares with Colorado and U.S. medians
What stands out at Daniel C Oakes High School--Castle Rock
Daniel C Oakes High School--Castle Rock is a small high school in Castle Rock, Colorado, enrolling 113 students.
Classes run notably small here: at 9.4:1, Daniel C Oakes High School--Castle Rock is leaner than roughly 94% of Colorado schools and 43% under the state's 16.6:1 norm, more adult attention per pupil than most peers.
Enrollment of 113 puts it in the smaller third of Colorado schools by headcount.
Its Resource Investment Index outscores 98% of the 1,922 Colorado schools with a score on record, a top-tier result on this measure.
Its student body is led by White (70%) and Hispanic or Latino (20%) (diversity index 47/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 100 students per counselor, inside the American School Counselor Association's recommended 250:1.
The surrounding Douglas County School District No. Re 1 spends $11,848 per pupil, 27% below the Colorado average, a leaner-resourced district than most.
Douglas County School District No. Re 1 also operates American Academy (2,803 students) and Rock Canyon High School (2,325 students) alongside Daniel C Oakes High School--Castle Rock.
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 Daniel C Oakes High School--Castle Rock compares
Daniel C Oakes High School--Castle Rock on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.4:1 | ▼ 43% | 16.6:1 | 15.7:1 |
| Enrollment | 113 | top 87% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.4:1
Leaner classes than 91% of US schools, among the more generously staffed nationally.
113
Bigger than 11% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Staffing depth
9.4:1
students per teacher
- 43% below state mean
Top 6% in Colorado - lower ratio than 94% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Funding equity
$11,848
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
Counselors1.1 FTE
Per 100 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 16 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 14.2 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 69.9%
Hispanic or Latino 19.5%
Two or More 4.4%
Asian 2.7%
African American 1.8%
American Indian / Alaska Native 0.9%
Native Hawaiian / Pacific Islander 0.9%
Largest group: White at 69.9% of enrollment.
Student-body diversity index 47.0/100
Simpson diversity index - at 47.0, Daniel C Oakes High School--Castle Rock is about as mixed as the Colorado school average of 47.1.
Programs
AP program Not offered
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Douglas County School District No. Re 1, which includes Daniel C Oakes High School--Castle Rock.
$11,848
Per student
-27%
vs Colorado
Avg $16,273
-29%
vs U.S.
Avg $16,593
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.
How Daniel C Oakes High School--Castle Rock Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| American Academy | Larger | No free-lunch data | Higher S:T ratio |
| Rock Canyon High School | Larger | No free-lunch data | Higher S:T ratio |
| Legend High School | Larger | No free-lunch data | Higher S:T ratio |
| Mountain Vista High School | Larger | No free-lunch data | Higher S:T ratio |
| Chaparral High School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Daniel C Oakes High School--Castle Rock's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,803
- Students per teacher
- 18:1
- Resource Index
- 33/100
- Enrollment
- 2,325
- Students per teacher
- 21.1:1
- Resource Index
- 47/100
- Enrollment
- 2,206
- Students per teacher
- 20.6:1
- Resource Index
- 29/100
- Enrollment
- 2,169
- Students per teacher
- 19.5:1
- Resource Index
- 50/100
- Enrollment
- 2,007
- Students per teacher
- 19.5:1
- Resource Index
- 50/100
Similar high 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 (~113 students)
Similar student-teacher ratio (~9.4:1)
Next steps
Verify locally before acting on Daniel C Oakes High School--Castle Rock's federal record.
- Compare Daniel C Oakes High School--Castle Rock against another school. Compare schools
- Douglas County School District No. Re 1'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 Daniel C Oakes High School--Castle Rock
How many students attend Daniel C Oakes High School--Castle Rock?
Daniel C Oakes High School--Castle Rock has 113 students enrolled. It is a high school in Castle Rock, CO.
What is the student-teacher ratio at Daniel C Oakes High School--Castle Rock?
The student-teacher ratio at Daniel C Oakes High School--Castle Rock is 9.4:1, which is 43% lower than the Colorado average of 16.6:1 and 40% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Daniel C Oakes High School--Castle Rock?
The largest demographic group at Daniel C Oakes High School--Castle Rock is White at 69.9% of enrollment, in Castle Rock, CO.
What is the Resource Investment Index for Daniel C Oakes High School--Castle Rock?
Daniel C Oakes High School--Castle Rock has a Resource Investment Index of 56/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Daniel C Oakes High School--Castle Rock rank among high schools in Castle Rock?
By Resource Investment Index, Daniel C Oakes High School--Castle Rock ranks #1 of 3 high schools in Castle Rock, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Castle Rock on the city page.
Is Daniel C Oakes High School--Castle Rock a good school?
Daniel C Oakes High School--Castle Rock earns 56/100 on the Resource Investment Index, with class sizes smaller than 94% of Colorado 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 Douglas County School District No. Re 1?
Besides Daniel C Oakes High School--Castle Rock, Douglas County School District No. Re 1 also operates American Academy (2,803 students), Rock Canyon High School (2,325 students), and Legend High School (2,206 students). See the Douglas County School District No. Re 1 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.