- Enrollment
- 350
- Students per teacher
- 9.2:1
- Resource Index
- 66/100
High school (grades 9-12) · Trenton, MO
Trenton Sr. High
Federal NCES profile for Trenton Sr. High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 58/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 293036002080
👥 S:T ratio 53
🌟 Gifted program 70
🎓 Counselors 68
📋 Attendance 40
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Trenton Sr. High earns 58/100 on the Resource Investment Index, with class sizes near the Missouri median.
- #3 of 4
- public schools in Trenton · Resource Index
- 58
- Resource Index · Higher
- 11.8:1
- students per teacher
- 35.6%
- free-lunch eligible
Trenton Sr. High has class sizes near the Missouri median. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Trenton Sr. High ranks #3 of 4 public schools in Trenton, MO.
School address
District: Trenton R-Ix · Missouri
NCES ID 293036002080 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-10 students YoY
Trenton Sr. High held near 316 students from 2022-23 to 2023-24 (-10 headcount).
Teacher FTE lost 27.1 → 23.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-10 students YoY 293036002080 · Trenton, MO High · SMALL · TRAD
318 enr · 11.8:1 · 35.6% lunch · RII 58
Nearest enrollment peer: Rissler Elem. (350 students)
Trenton Sr. High held near 316 students from 2022-23 to 2023-24 (-10 headcount). Teacher FTE lost 27.1 → 23.2 across the same CCD years. Read with this school → · District book → · Missouri schools → · Find another →
Trenton Sr. High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Rissler Elem.
Rissler Elem.
350 students
- This school
Trenton Sr. High
318 students
- Trenton Middle
Trenton Middle
299 students
What this shows Trenton Sr. High reports 318 students on the CCD universe file.
How Trenton Sr. High compares
Trenton Sr. High held steady on CCD headcount: ratios and free-lunch share vs Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.8:1 | ▼ 8% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 35.6% | ▼ 23% | 46.1% | 51.7% |
| Enrollment | 318 | top 49% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.8:1
Leaner classes than 77% of US schools, among the more generously staffed nationally.
318
Bigger than 35% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
35.6%
free-lunch eligible
- 23% below the Missouri average of 46.1%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11.8:1
students per teacher
- 8% below state mean
Top 38% in Missouri - lower ratio than 62% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
24.2%
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
$11,798
per pupil, district-wide
- below Missouri avg of $14,087
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 159 students, the combined health-and-guidance staffing load for this school.
Discipline context
49
in-school suspensions + 31 out-of-school
Suspension rate: 15.4 per 100 students. Combined in-school and out-of-school rate: 25.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 92.5%
Hispanic or Latino 3.5%
Native Hawaiian / Pacific Islander 1.6%
Two or More 1.3%
Asian 0.6%
African American 0.3%
American Indian / Alaska Native 0.3%
Largest group: White at 92.5% of enrollment.
Student-body diversity index 14.3/100
Simpson diversity index - at 14.3, Trenton Sr. High is less mixed than the Missouri school average of 31.0.
Programs
AP program Not offered
Gifted & talented Yes
District finance for Trenton R-Ix reports $11,798 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Trenton Sr. High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Rissler Elem. | Similar size | Similar economic need | Lower S:T ratio |
| Trenton Middle | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Trenton Sr. High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 299
- Students per teacher
- 10.7:1
- Resource Index
- 63/100
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 (~318 students)
Frequently asked questions about Trenton Sr. High
How many students attend Trenton Sr. High?
Trenton Sr. High has 318 students enrolled. It is a high school in Trenton, MO. CCD year-over-year: 326 (2022-23) → 316 (2023-24), nearly flat (-10).
What is the student-teacher ratio at Trenton Sr. High?
The student-teacher ratio at Trenton Sr. High is 11.8:1, which is 8% lower than the Missouri average of 12.8:1 and 25% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Trenton Sr. High?
35.6% of students at Trenton Sr. High are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Trenton Sr. High?
The largest demographic group at Trenton Sr. High is White at 92.5% of enrollment, in Trenton, MO.
What is the Resource Investment Index for Trenton Sr. High?
Trenton Sr. High has a Resource Investment Index of 58/100 (higher 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 Trenton Sr. High rank among public schools in Trenton?
By Resource Investment Index, Trenton Sr. High ranks #3 of 4 public schools in Trenton, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Trenton R-Ix?
Besides Trenton Sr. High, Trenton R-Ix also operates Rissler Elem. (350 students) and Trenton Middle (299 students). See the Trenton R-Ix district page for the complete list.