- Enrollment
- 1,923
- Students per teacher
- 21.4:1
- Resource Index
- 32/100
Other / mixed grade configuration · Lakewood, CO
Addenbrooke Classical Grammar School
Federal NCES profile for Addenbrooke Classical Grammar School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataOther / mixed grade configurationNCES 080480006643Charter school
👥 S:T ratio 24
🌟 Gifted program 70
📋 Attendance 37
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Addenbrooke Classical Grammar School earns 44/100 on the Resource Investment Index, with class sizes larger than 79% of Colorado schools.
- #6 of 22
- schools in Lakewood · Resource Index
- 44
- Resource Index · Typical
- 18.9:1
- large classes for Colorado
- 774
- students enrolled
Addenbrooke Classical Grammar School has class sizes larger than 79% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Addenbrooke Classical Grammar School ranks #6 of 22 schools in Lakewood, CO.
School address
District: Jefferson County School District No. R-1 · Colorado
NCES ID 080480006643 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+32 students YoY
Addenbrooke Classical Grammar School held near 760 students from 2022-23 to 2023-24 (+32 headcount).
Teacher FTE added 42.0 → 43.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+32 students YoY 080480006643 · Lakewood, CO Other · MID · CHARTER
774 enr · 18.9:1 · RII 44
Nearest enrollment peer: Arvada West High School (1,923 students)
Addenbrooke Classical Grammar School held near 760 students from 2022-23 to 2023-24 (+32 headcount). Teacher FTE added 42.0 → 43.2 across the same CCD years. Read with this school → · District book → · Colorado schools → · Find another →
Addenbrooke Classical Grammar School 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
Addenbrooke Classical Grammar School
774 students
What this shows Addenbrooke Classical Grammar School reports 774 students on the CCD universe file.
How Addenbrooke Classical Grammar School compares
Addenbrooke Classical Grammar School held steady on CCD headcount: ratios and free-lunch share vs Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.9:1 | ▲ 14% | 16.6:1 | 15.7:1 |
| Enrollment | 774 | top 12% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.9:1
Leaner classes than 20% of US schools, heavier class loads than most.
774
Bigger than 84% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Staffing depth
18.9:1
students per teacher
- 14% above state mean
Top 79% in Colorado - lower ratio than 21% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
25.3%
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
4
in-school suspensions + 10 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 1.8 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 61.6%
Hispanic or Latino 30.4%
Asian 3.5%
Two or More 3.0%
African American 1.3%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 61.6% of enrollment.
Student-body diversity index 52.6/100
Simpson diversity index - at 52.6, Addenbrooke Classical Grammar School is more mixed than the Colorado school average of 47.1.
Programs
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 Grammar School 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 | Similar S:T ratio |
| Lakewood High School | Larger | No free-lunch data | Lower S:T ratio |
| Columbine High School | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Addenbrooke Classical Grammar School'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 other 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 (~774 students)
Frequently asked questions about Addenbrooke Classical Grammar School
How many students attend Addenbrooke Classical Grammar School?
Addenbrooke Classical Grammar School has 774 students enrolled. It is a public school in Lakewood, CO. CCD year-over-year: 728 (2022-23) → 760 (2023-24), nearly flat (+32).
What is the student-teacher ratio at Addenbrooke Classical Grammar School?
The student-teacher ratio at Addenbrooke Classical Grammar School is 18.9:1, which is 14% higher than the Colorado average of 16.6:1 and 20% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Addenbrooke Classical Grammar School?
The largest demographic group at Addenbrooke Classical Grammar School is White at 61.6% of enrollment, in Lakewood, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.6/100.
What is the Resource Investment Index for Addenbrooke Classical Grammar School?
Addenbrooke Classical Grammar School has a Resource Investment Index of 44/100 (typical 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 Grammar School rank among schools in Lakewood?
By Resource Investment Index, Addenbrooke Classical Grammar School ranks #6 of 22 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 schools in Lakewood on the city page.
What other schools are in Jefferson County School District No. R-1?
Besides Addenbrooke Classical Grammar School, 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.