- Enrollment
- 1,685
- Students per teacher
- 21.9:1
- Resource Index
- 31/100
Elementary school (grades K-5) · Peoria, IL
Trewyn Primary School
Federal NCES profile for Trewyn Primary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataElementary school (grades K-5)NCES 173123006420
👥 S:T ratio 48
🌟 Gifted program 30
🎓 Counselors 63
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Trewyn Primary School earns 35/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #9 of 21
- elementary schools in Peoria · Resource Index
- 35
- Resource Index · Typical
- 12.9:1
- students per teacher
- 375
- students enrolled
Trewyn Primary School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Trewyn Primary School ranks #9 of 21 elementary schools in Peoria, IL.
School address
District: Peoria Sd 150 · Illinois
NCES ID 173123006420 Verify on NCES CCD record →
NCES CCD universe card
School universe 173123006420 · Peoria, IL Elementary · SMALL · TRAD
375 enr · 12.9:1 · RII 35
Nearest enrollment peer: Richwoods High School (1,685 students)
Resource Investment Index #9 of 21 elementary schools in Peoria. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Trewyn Primary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Richwoods High
Richwoods High School
1,685 students
- Peoria High Sc
Peoria High School
1,541 students
- Lincoln School
Lincoln School
823 students
- Glen Oak Comm
Glen Oak Comm Learning Cntr
794 students
- Manual High Sc
Manual High School
731 students
- This school 375
Trewyn Primary School
375 students
What this shows Trewyn Primary School reports 375 students on the CCD universe file.
How Trewyn Primary School compares
Trewyn Primary School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.9:1 | ▼ 8% | 14:1 | 15.7:1 |
| Enrollment | 375 | top 49% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.9:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
375
Bigger than 44% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
12.9:1
students per teacher
- 8% below state mean
Top 41% in Illinois - lower ratio than 59% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
77.1%
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
$18,400
per pupil, district-wide
- above Illinois avg of $18,196
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors2.0 FTE
Per 188 students, the combined health-and-guidance staffing load for this school.
Discipline context
5
in-school suspensions + 97 out-of-school
Suspension rate: 1.3 per 100 students. Combined in-school and out-of-school rate: 27.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
African American 77.6%
White 8.0%
Hispanic or Latino 7.5%
Two or More 6.9%
Largest group: African American at 77.6% of enrollment.
Student-body diversity index 38.1/100
Simpson diversity index - at 38.1, Trewyn Primary School is about as mixed as the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Peoria Sd 150, which includes Trewyn Primary School.
$18,400
Per student
+1%
vs Illinois
Avg $18,196
+4%
vs U.S.
Avg $17,658
Revenue mix
Local 41.8%
State 40.4%
Federal 17.7%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Trewyn Primary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Richwoods High School | Larger | No free-lunch data | Higher S:T ratio |
| Peoria High School | Larger | No free-lunch data | Higher S:T ratio |
| Lincoln School | Larger | No free-lunch data | Higher S:T ratio |
| Glen Oak Comm Learning Cntr | Larger | No free-lunch data | Higher S:T ratio |
| Manual High School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Trewyn Primary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,541
- Students per teacher
- 20.8:1
- Resource Index
- 27/100
- Enrollment
- 823
- Students per teacher
- 16.8:1
- Resource Index
- 20/100
- Enrollment
- 794
- Students per teacher
- 22.7:1
- Resource Index
- 15/100
- Enrollment
- 731
- Students per teacher
- 18.7:1
- Resource Index
- 37/100
Similar elementary schools in Peoria
6 comparable elementary schools (grades K-5) serving the same city.
Lincoln School
Standard public school
823 students 16.8:1 students per teacher
Glen Oak Comm Learning Cntr
Standard public school
794 students 22.7:1 students per teacher
The Elise Ford Allen Academy
Standard public school
642 students 16.1:1 students per teacher
Annie Jo Gordon Comm Lrning Cntr
Standard public school
542 students 13.6:1 students per teacher
Dr Maude a Sanders Primary School
Standard public school
442 students 17:1 students per teacher
Ridgeview Elementary School
Standard public school
433 students 17.3:1 students per teacher
Nationwide elementary 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 (~375 students)
Frequently asked questions about Trewyn Primary School
How many students attend Trewyn Primary School?
Trewyn Primary School has 375 students enrolled. It is an elementary school in Peoria, IL.
What is the student-teacher ratio at Trewyn Primary School?
The student-teacher ratio at Trewyn Primary School is 12.9:1, which is 8% lower than the Illinois average of 14:1 and 18% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Trewyn Primary School?
The largest demographic group at Trewyn Primary School is African American at 77.6% of enrollment, in Peoria, IL.
What is the Resource Investment Index for Trewyn Primary School?
Trewyn Primary School has a Resource Investment Index of 35/100 (typical 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 Trewyn Primary School rank among elementary schools in Peoria?
By Resource Investment Index, Trewyn Primary School ranks #9 of 21 elementary schools in Peoria, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Peoria on the city page.
What other schools are in Peoria Sd 150?
Besides Trewyn Primary School, Peoria Sd 150 also operates Richwoods High School (1,685 students), Peoria High School (1,541 students), and Lincoln School (823 students). See the Peoria Sd 150 district page for the complete list.
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, the data changelog, or report a data error. Data current as of August 2026.