- Enrollment
- 369
- Students per teacher
- 15.4:1
- Resource Index
- 44/100
High school (grades 9-12) · Colby, KS
Colby Senior High
Federal NCES profile for Colby Senior High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 200501000573
👥 S:T ratio 30
🌟 Gifted program 30
📋 Attendance 47
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Colby Senior High earns 36/100 on the Resource Investment Index, with class sizes larger than 90% of Kansas schools.
- #3 of 3
- public schools in Colby · Resource Index
- 36
- Resource Index · Typical
- 17.4:1
- large classes for Kansas
- 24.3%
- free-lunch eligible
Colby Senior High has class sizes larger than 90% of Kansas schools. Computed live against every Kansas school reporting to NCES.
By Resource Investment Index, Colby Senior High ranks #3 of 3 public schools in Colby, KS.
School address
District: Colby Public Schools · Kansas
NCES ID 200501000573 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-12 students YoY
Colby Senior High held near 272 students from 2022-23 to 2023-24 (-12 headcount).
Teacher FTE held 17.0 → 17.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-12 students YoY 200501000573 · Colby, KS High · SMALL · TRAD
296 enr · 17.4:1 · 24.3% lunch · RII 36
Nearest enrollment peer: Colby Elem (369 students)
Colby Senior High held near 272 students from 2022-23 to 2023-24 (-12 headcount). Teacher FTE held 17.0 → 17.2 across the same CCD years. Read with this school → · District book → · Kansas schools → · Find another →
Colby Senior High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Colby Elem
Colby Elem
369 students
- This school
Colby Senior High
296 students
- Colby Middle S
Colby Middle School
293 students
What this shows Colby Senior High reports 296 students on the CCD universe file.
How Colby Senior High compares
Colby Senior High held steady on CCD headcount: ratios and free-lunch share vs Kansas and U.S. means.
| Metric | This school | vs Kansas | Kansas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.4:1 | ▲ 26% | 13.8:1 | 15.7:1 |
| Free-lunch eligible | 24.3% | ▼ 43% | 42.7% | 51.7% |
| Enrollment | 296 | top 49% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.4:1
Leaner classes than 28% of US schools, heavier class loads than most.
296
Bigger than 32% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
24.3%
free-lunch eligible
- 43% 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
17.4:1
students per teacher
- 26% above state mean
Top 90% in Kansas - lower ratio than 10% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
21.3%
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
$12,964
per pupil, district-wide
- below Kansas avg of $15,788
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 81.1%
Hispanic or Latino 14.5%
Two or More 3.4%
Asian 0.7%
African American 0.3%
Largest group: White at 81.1% of enrollment.
Student-body diversity index 32.0/100
Simpson diversity index - at 32.0, Colby Senior High is less mixed than the Kansas school average of 39.4.
Programs
AP program Not offered
District finance for Colby Public Schools reports $12,964 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Colby Senior High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Colby Elem | Similar size | Higher economic need | Lower S:T ratio |
| Colby Middle School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Colby Senior High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 293
- Students per teacher
- 17.2:1
- Resource Index
- 37/100
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 (~296 students)
Frequently asked questions about Colby Senior High
How many students attend Colby Senior High?
Colby Senior High has 296 students enrolled. It is a high school in Colby, KS. CCD year-over-year: 284 (2022-23) → 272 (2023-24), nearly flat (-12).
What is the student-teacher ratio at Colby Senior High?
The student-teacher ratio at Colby Senior High is 17.4:1, which is 26% higher than the Kansas average of 13.8:1 and 11% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Colby Senior High?
24.3% of students at Colby Senior High are eligible for free lunch, compared to the Kansas average of 42.7%.
What is the racial and ethnic makeup of Colby Senior High?
The largest demographic group at Colby Senior High is White at 81.1% of enrollment, in Colby, KS.
What is the Resource Investment Index for Colby Senior High?
Colby Senior High has a Resource Investment Index of 36/100 (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 Colby Senior High rank among public schools in Colby?
By Resource Investment Index, Colby Senior High ranks #3 of 3 public schools in Colby, KS. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Colby Public Schools?
Besides Colby Senior High, Colby Public Schools also operates Colby Elem (369 students) and Colby Middle School (293 students). See the Colby Public Schools district page for the complete list.