Enrollment
811
Colorado · 2024-25 NCES data
Middle school (grades 6-8) · Aurora, CO
Mrachek Middle School
Federal NCES profile for Mrachek Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 080234000073
👥 S:T ratio 24
🌟 Gifted program 70
🎓 Counselors 59
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mrachek Middle School earns 51/100 on the Resource Investment Index, with class sizes larger than 79% of Colorado schools.
- #5 of 16
- middle schools in Aurora · Resource Index
- 51
- Resource Index · Higher
- 18.9:1
- large classes for Colorado
- 70.7%
- free-lunch eligible
Mrachek Middle School has class sizes larger than 79% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Mrachek Middle School ranks #5 of 16 middle schools in Aurora, CO.
School address
NCES ID 080234000073 Verify on NCES CCD record →
Teachers (FTE)
43.0
Federal CCD staff survey
Students per teacher
18.9:1
vs 16.6:1 Colorado avg
+14% vs state
Free-lunch eligible
70.7%
vs 38.5% Colorado avg
+84% vs state
Student-teacher ratio in context
How Mrachek Middle School compares with Colorado and U.S. medians
What stands out at Mrachek Middle School
Mrachek Middle School is a higher-need, large middle school in Aurora, Colorado, enrolling 811 students.
Class loads run somewhat heavier than typical: 18.9:1 puts it in the larger third of Colorado schools by student-teacher ratio.
Economic need is high: 70.7% of students qualify for free meals, 84% above the Colorado average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 811 puts it in the larger third of Colorado schools by headcount.
Its Resource Investment Index lands in the upper third of 1,922 scored Colorado schools.
Against 98 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #19.
Its student body is led by Hispanic or Latino (53%) and African American (17%) (diversity index 66/100).
Counselor coverage is strong, about 203 students per counselor, inside the American School Counselor Association's recommended 250:1.
Discipline events run high: 244 in- and out-of-school suspensions were reported for 811 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 5 expulsions at this campus for 2021-22.
Aurora Joint District No. 28 of the Counties of Adams and a also operates Aurora Central Campus (2,468 students) and Rangeview High School (2,078 students) alongside Mrachek Middle School.
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 Mrachek Middle School compares
Mrachek Middle School on the metrics families compare, against 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 |
| Free-lunch eligible | 70.7% | ▲ 84% | 38.5% | 51.7% |
| Enrollment | 811 | top 11% | - | - |
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.
811
Bigger than 86% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
70.7%
free-lunch eligible
- 84% 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
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.
Funding equity
$16,314
per pupil, district-wide
- above Colorado avg of $16,273
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors4.0 FTE
Per 203 students, the combined health-and-guidance staffing load for this school.
Discipline context
39
in-school suspensions + 205 out-of-school
Suspension rate: 4.8 per 100 students. Combined in-school and out-of-school rate: 30.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 5 expulsions.
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
Hispanic or Latino 52.5%
African American 17.4%
White 14.1%
Two or More 8.3%
Asian 5.8%
Native Hawaiian / Pacific Islander 1.6%
American Indian / Alaska Native 0.4%
Largest group: Hispanic or Latino at 52.5% of enrollment.
Student-body diversity index 66.4/100
Simpson diversity index - at 66.4, Mrachek Middle School is more mixed than the Colorado school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Aurora Joint District No. 28 of the Counties of Adams and a, which includes Mrachek Middle School.
$16,314
Per student
+0%
vs Colorado
Avg $16,273
-2%
vs U.S.
Avg $16,593
Revenue mix
Local 46.4%
State 41.1%
Federal 12.5%
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 Mrachek Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Aurora Central Campus | Larger | Similar economic need | Higher S:T ratio |
| Rangeview High School | Larger | Lower economic need | Higher S:T ratio |
| Vista Peak 9-12 Preparatory | Larger | Lower economic need | Higher S:T ratio |
| Gateway High School | Larger | Similar economic need | Higher S:T ratio |
| Hinkley High School | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Mrachek Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,468
- Students per teacher
- 20.4:1
- Resource Index
- 35/100
- Enrollment
- 2,078
- Students per teacher
- 21.6:1
- Resource Index
- 41/100
- Enrollment
- 2,045
- Students per teacher
- 24.3:1
- Resource Index
- 35/100
- Enrollment
- 1,748
- Students per teacher
- 23.6:1
- Resource Index
- 35/100
- Enrollment
- 1,527
- Students per teacher
- 17.2:1
- Resource Index
- 54/100
Similar middle 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 (~811 students)
Similar student-teacher ratio (~18.9:1)
Next steps
Verify locally before acting on Mrachek Middle School's federal record.
- Compare Mrachek Middle School against another school. Compare schools
- Aurora Joint District No. 28 of the Counties of Adams and a'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 Mrachek Middle School
How many students attend Mrachek Middle School?
Mrachek Middle School has 811 students enrolled. It is a middle school in Aurora, CO.
What is the student-teacher ratio at Mrachek Middle School?
The student-teacher ratio at Mrachek Middle 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 percentage of students receive free lunch at Mrachek Middle School?
70.7% of students at Mrachek Middle School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Mrachek Middle School?
The largest demographic group at Mrachek Middle School is Hispanic or Latino at 52.5% of enrollment, in Aurora, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.4/100.
What is the Resource Investment Index for Mrachek Middle School?
Mrachek Middle School has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mrachek Middle School rank among middle schools in Aurora?
By Resource Investment Index, Mrachek Middle School ranks #5 of 16 middle schools in Aurora, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Aurora on the city page.
Is Mrachek Middle School a good school?
Mrachek Middle School earns 51/100 on the Resource Investment Index, with class sizes larger than 79% 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 Aurora Joint District No. 28 of the Counties of Adams and a?
Besides Mrachek Middle School, Aurora Joint District No. 28 of the Counties of Adams and a also operates Aurora Central Campus (2,468 students), Rangeview High School (2,078 students), and Vista Peak 9-12 Preparatory (2,045 students). See the Aurora Joint District No. 28 of the Counties of Adams and a district page for the complete list.
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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.