- Enrollment
- 1,923
- Students per teacher
- 21.4:1
- Resource Index
- 32/100
Other / mixed grade configuration · Edgewater, CO
Lumberg Elementary School
Federal NCES profile for Lumberg Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 13/100.
2024-25 NCES dataOther / mixed grade configurationNCES 080480000752
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 21
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lumberg Elementary School earns 13/100 on the Resource Investment Index, with class sizes larger than 95% of Colorado schools.
- #3 of 3
- schools in Edgewater · Resource Index
- 13
- Resource Index · Lower
- 26.3:1
- large classes for Colorado
- 79.2%
- free-lunch eligible
Lumberg Elementary School has class sizes larger than 95% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Lumberg Elementary School ranks #3 of 3 schools in Edgewater, CO.
School address
District: Jefferson County School District No. R-1 · Colorado
NCES ID 080480000752 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+214 students YoY
Lumberg Elementary School grew from 318 students in 2022-23 to 532 in 2023-24 (+67.3%).
Teacher FTE added 20.2 → 33.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+214 students YoY 080480000752 · Edgewater, CO Other · MID · TRAD
526 enr · 26.3:1 · 79.2% lunch · RII 13
Nearest enrollment peer: Arvada West High School (1,923 students)
Lumberg Elementary School grew from 318 students in 2022-23 to 532 in 2023-24 (+67.3%). Teacher FTE added 20.2 → 33.3 across the same CCD years. Read with this school → · District book → · Colorado schools → · Find another →
Lumberg Elementary 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 526
Lumberg Elementary School
526 students
What this shows Lumberg Elementary School reports 526 students on the CCD universe file.
How Lumberg Elementary School compares
Lumberg Elementary School is a growing 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 | 26.3:1 | ▲ 58% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 79.2% | ▲ 106% | 38.5% | 51.7% |
| Enrollment | 526 | top 26% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
26.3:1
Leaner classes than 4% of US schools, heavier class loads than most.
526
Bigger than 65% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
79.2%
free-lunch eligible
- 106% above the Colorado average of 38.5%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
26.3:1
students per teacher
- 58% above state mean
Top 95% in Colorado - lower ratio than 5% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
31.6%
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
Counselors1.0 FTE
Per 526 students, the combined health-and-guidance staffing load for this school.
Discipline context
12
in-school suspensions + 27 out-of-school
Suspension rate: 2.3 per 100 students. Combined in-school and out-of-school rate: 7.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 82.5%
White 8.6%
African American 4.0%
Two or More 2.7%
Asian 1.0%
American Indian / Alaska Native 1.0%
Native Hawaiian / Pacific Islander 0.4%
Largest group: Hispanic or Latino at 82.5% of enrollment.
Student-body diversity index 30.9/100
Simpson diversity index - at 30.9, Lumberg Elementary School is less mixed than the Colorado school average of 47.1.
Programs
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 Lumberg Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Arvada West High School | Larger | Lower economic need | Lower S:T ratio |
| Ralston Valley Senior High School | Larger | Lower economic need | Lower S:T ratio |
| Chatfield High School | Larger | Lower economic need | Lower S:T ratio |
| Lakewood High School | Larger | Lower economic need | Lower S:T ratio |
| Columbine High School | Larger | Lower economic need | Lower S:T ratio |
Comparisons are relative to Lumberg Elementary 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 (~526 students)
Frequently asked questions about Lumberg Elementary School
How many students attend Lumberg Elementary School?
Lumberg Elementary School has 526 students enrolled. It is a public school in Edgewater, CO. CCD year-over-year: 318 (2022-23) → 532 (2023-24), up 214.
What is the student-teacher ratio at Lumberg Elementary School?
The student-teacher ratio at Lumberg Elementary School is 26.3:1, which is 58% higher than the Colorado average of 16.6:1 and 68% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Lumberg Elementary School?
79.2% of students at Lumberg Elementary School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Lumberg Elementary School?
The largest demographic group at Lumberg Elementary School is Hispanic or Latino at 82.5% of enrollment, in Edgewater, CO.
What is the Resource Investment Index for Lumberg Elementary School?
Lumberg Elementary School has a Resource Investment Index of 13/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Lumberg Elementary School rank among schools in Edgewater?
By Resource Investment Index, Lumberg Elementary School ranks #3 of 3 schools in Edgewater, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Jefferson County School District No. R-1?
Besides Lumberg Elementary 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.