Enrollment
923
Kansas · 2024-25 NCES data
Middle school (grades 6-8) · Derby, KS
Derby Middle Sch
Federal NCES profile for Derby Middle Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 200546001598
👥 S:T ratio 35
🌟 Gifted program 70
🎓 Counselors 8
📋 Attendance 11
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Derby Middle Sch earns 31/100 on the Resource Investment Index, with class sizes larger than 83% of Kansas schools. It is also one of the largest schools in Kansas.
- #9 of 10
- public schools in Derby · Resource Index
- 31
- Resource Index · Lower
- 16.2:1
- large classes for Kansas
- 38.6%
- free-lunch eligible
Derby Middle Sch has class sizes larger than 83% of Kansas schools. Computed live against every Kansas school reporting to NCES.
By Resource Investment Index, Derby Middle Sch ranks #9 of 10 public schools in Derby, KS.
School address
Teachers (FTE)
57.0
Federal CCD staff survey
Students per teacher
16.2:1
vs 13.8:1 Kansas avg
+17% vs state
Free-lunch eligible
38.6%
vs 42.7% Kansas avg
-10% vs state
Student-teacher ratio in context
How Derby Middle Sch compares with Kansas and U.S. medians
What stands out at Derby Middle Sch
Derby Middle Sch is a large middle school in Derby, Kansas, enrolling 923 students.
Class loads run somewhat heavier than typical: 16.2:1 puts it in the larger third of Kansas schools by student-teacher ratio.
Its free-meal eligibility rate of 38.6% lands close to the Kansas typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Kansas, bigger than 95% of state schools at 923 students.
Its Resource Investment Index trails 94% of the 1,346 Kansas schools with a score on record, one of the lower results on this measure.
Among 62 similarly sized, similarly resourced-need Kansas schools statewide, it ranks #60, in the lower tier once campus size and economic need are matched.
Its student body is led by White (67%) and Hispanic or Latino (18%) (diversity index 51/100).
Counselor access is stretched at roughly 462 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 35.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Derby spends $11,217 per pupil, 28% below the Kansas average, a leaner-resourced district than most.
Discipline events run high: 744 in- and out-of-school suspensions were reported for 923 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 740 expulsions at this campus for 2021-22.
Among Derby's middle schools, it stands alongside Derby North Middle School (832 students): Derby Middle Sch is larger than that campus by headcount and runs heavier classes (16.2:1 vs 14.3:1).
Derby also operates Derby High School (2,172 students) and Derby North Middle School (832 students) alongside Derby Middle Sch.
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 Derby Middle Sch compares
Derby Middle Sch on the metrics families compare, against Kansas and U.S. means.
| Metric | This school | vs Kansas | Kansas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.2:1 | ▲ 17% | 13.8:1 | 15.7:1 |
| Free-lunch eligible | 38.6% | ▼ 10% | 42.7% | 51.7% |
| Enrollment | 923 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.2:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
923
Bigger than 89% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
38.6%
free-lunch eligible
- 10% below the Kansas average of 42.7%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.2:1
students per teacher
- 17% above state mean
Top 83% in Kansas - lower ratio than 17% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
35.8%
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
$11,217
per pupil, district-wide
- below Kansas avg of $15,487
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 462 students, the combined health-and-guidance staffing load for this school.
Discipline context
371
in-school suspensions + 373 out-of-school
Suspension rate: 40.2 per 100 students. Combined in-school and out-of-school rate: 80.6 per 100 students. Reported via the Civil Rights Data Collection. Includes 740 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
White 67.2%
Hispanic or Latino 18.4%
Two or More 8.3%
African American 2.8%
Asian 2.2%
American Indian / Alaska Native 0.8%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 67.2% of enrollment.
Student-body diversity index 50.6/100
Simpson diversity index - at 50.6, Derby Middle Sch is more mixed than the Kansas school average of 39.4.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Derby, which includes Derby Middle Sch.
$11,217
Per student
-28%
vs Kansas
Avg $15,487
-32%
vs U.S.
Avg $16,593
Revenue mix
Local 21.0%
State 70.1%
Federal 9.0%
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 Derby Middle Sch Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Derby High School | Larger | Similar economic need | Higher S:T ratio |
| Derby North Middle School | Similar size | Similar economic need | Lower S:T ratio |
| Tanglewood Elem | Smaller | Lower economic need | Higher S:T ratio |
| Stone Creek Elementary | Smaller | Lower economic need | Similar S:T ratio |
| Derby Hills Elem | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Derby Middle Sch's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,172
- Students per teacher
- 17.8:1
- Resource Index
- 38/100
- Enrollment
- 832
- Students per teacher
- 14.3:1
- Resource Index
- 45/100
- Enrollment
- 607
- Students per teacher
- 24.3:1
- Resource Index
- 44/100
- Enrollment
- 451
- Students per teacher
- 17.3:1
- Resource Index
- 51/100
- Enrollment
- 410
- Students per teacher
- 15.8:1
- Resource Index
- 53/100
Similar middle schools in Derby
1 comparable middle schools (grades 6-8) serving the same city.
Similar middle schools statewide
Matched by enrollment size and by staffing ratio across all of Kansas, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~923 students)
Similar student-teacher ratio (~16.2:1)
Next steps
Verify locally before acting on Derby Middle Sch's federal record.
- Compare Derby Middle Sch against another school. Compare schools
- Derby'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 Derby Middle Sch
How many students attend Derby Middle Sch?
Derby Middle Sch has 923 students enrolled. It is a middle school in Derby, KS.
What is the student-teacher ratio at Derby Middle Sch?
The student-teacher ratio at Derby Middle Sch is 16.2:1, which is 17% higher than the Kansas average of 13.8:1 and 3% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Derby Middle Sch?
38.6% of students at Derby Middle Sch are eligible for free lunch, compared to the Kansas average of 42.7%.
What is the racial and ethnic makeup of Derby Middle Sch?
The largest demographic group at Derby Middle Sch is White at 67.2% of enrollment, in Derby, KS. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.6/100.
What is the Resource Investment Index for Derby Middle Sch?
Derby Middle Sch has a Resource Investment Index of 31/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Derby Middle Sch rank among public schools in Derby?
By Resource Investment Index, Derby Middle Sch ranks #9 of 10 public schools in Derby, KS. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Derby on the city page.
Is Derby Middle Sch a good school?
Derby Middle Sch earns 31/100 on the Resource Investment Index, with class sizes larger than 83% of Kansas schools. It is also one of the largest schools in Kansas. 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 Derby?
Besides Derby Middle Sch, Derby also operates Derby High School (2,172 students), Derby North Middle School (832 students), and Tanglewood Elem (607 students). See the Derby 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.