- Enrollment
- 1,923
- Students per teacher
- 21.4:1
- Resource Index
- 32/100
High school (grades 9-12) · Lakewood, CO
Addenbrooke Classical Academy
Federal NCES profile for Addenbrooke Classical Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 080480006587Charter school
👥 S:T ratio 41
🌟 Gifted program 70
📋 Attendance 45
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Addenbrooke Classical Academy earns 52/100 on the Resource Investment Index, with class sizes near the Colorado median.
- #3 of 12
- high schools in Lakewood · Resource Index
- 52
- Resource Index · Higher
- 14.7:1
- students per teacher
- 191
- students enrolled
Addenbrooke Classical Academy has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Addenbrooke Classical Academy ranks #3 of 12 high schools in Lakewood, CO.
School address
District: Jefferson County School District No. R-1 · Colorado
NCES ID 080480006587 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-12 students YoY
Addenbrooke Classical Academy shrank from 201 students in 2022-23 to 189 in 2023-24 (-6.0%).
Teacher FTE lost 13.9 → 11.4 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-12 students YoY 080480006587 · Lakewood, CO High · SMALL · CHARTER
191 enr · 14.7:1 · RII 52
Nearest enrollment peer: Arvada West High School (1,923 students)
Addenbrooke Classical Academy shrank from 201 students in 2022-23 to 189 in 2023-24 (-6.0%). Teacher FTE lost 13.9 → 11.4 across the same CCD years. Read with this school → · District book → · Colorado schools → · Find another →
Addenbrooke Classical Academy in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Arvada West Hi
Arvada West High School
1,923 students
- Ralston Valley
Ralston Valley Senior High School
1,875 students
- Chatfield High
Chatfield High School
1,808 students
- Lakewood High
Lakewood High School
1,735 students
- Columbine High
Columbine High School
1,710 students
- This school 191
Addenbrooke Classical Academy
191 students
What this shows Addenbrooke Classical Academy reports 191 students on the CCD universe file.
How Addenbrooke Classical Academy compares
Addenbrooke Classical Academy is a shrinking campus on CCD: ratios and free-lunch share vs Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.7:1 | ▼ 11% | 16.6:1 | 15.7:1 |
| Enrollment | 191 | top 77% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.7:1
Leaner classes than 50% of US schools, a middle-of-the-pack class size.
191
Bigger than 19% of US schools by enrollment, a small campus.
Equity indicators methodology
Staffing depth
14.7:1
students per teacher
- 11% below state mean
Top 38% in Colorado - lower ratio than 62% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
22.0%
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
$14,483
per pupil, district-wide
- below Colorado avg of $17,910
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.1 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
11
in-school suspensions + 4 out-of-school
Suspension rate: 5.8 per 100 students. Combined in-school and out-of-school rate: 7.9 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 56.5%
Hispanic or Latino 34.0%
Two or More 4.7%
Asian 3.1%
American Indian / Alaska Native 1.0%
African American 0.5%
Largest group: White at 56.5% of enrollment.
Student-body diversity index 56.2/100
Simpson diversity index - at 56.2, Addenbrooke Classical Academy is more mixed than the Colorado school average of 47.1.
Programs
AP program Not offered
Gifted & talented Yes
District finance for Jefferson County School District No. R-1 reports $14,483 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Addenbrooke Classical Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Arvada West High School | Larger | No free-lunch data | Higher S:T ratio |
| Ralston Valley Senior High School | Larger | No free-lunch data | Higher S:T ratio |
| Chatfield High School | Larger | No free-lunch data | Higher S:T ratio |
| Lakewood High School | Larger | No free-lunch data | Higher S:T ratio |
| Columbine High School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Addenbrooke Classical Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,875
- Students per teacher
- 21.6:1
- Resource Index
- 35/100
- Enrollment
- 1,808
- Students per teacher
- 20.1:1
- Resource Index
- 34/100
- Enrollment
- 1,735
- Students per teacher
- 17.4:1
- Resource Index
- 52/100
- Enrollment
- 1,710
- Students per teacher
- 19.9:1
- Resource Index
- 31/100
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 (~191 students)
Frequently asked questions about Addenbrooke Classical Academy
How many students attend Addenbrooke Classical Academy?
Addenbrooke Classical Academy has 191 students enrolled. It is a high school in Lakewood, CO. CCD year-over-year: 201 (2022-23) → 189 (2023-24), down 12.
What is the student-teacher ratio at Addenbrooke Classical Academy?
The student-teacher ratio at Addenbrooke Classical Academy is 14.7:1, which is 11% lower than the Colorado average of 16.6:1 and 6% 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 Addenbrooke Classical Academy?
The largest demographic group at Addenbrooke Classical Academy is White at 56.5% of enrollment, in Lakewood, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.2/100.
What is the Resource Investment Index for Addenbrooke Classical Academy?
Addenbrooke Classical Academy has a Resource Investment Index of 52/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Addenbrooke Classical Academy rank among high schools in Lakewood?
By Resource Investment Index, Addenbrooke Classical Academy ranks #3 of 12 high schools in Lakewood, 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 Lakewood on the city page.
What other schools are in Jefferson County School District No. R-1?
Besides Addenbrooke Classical Academy, Jefferson County School District No. R-1 also operates Arvada West High School (1,923 students), Ralston Valley Senior High School (1,875 students), and Chatfield High School (1,808 students). See the Jefferson County School District No. R-1 district page for the complete list.