Enrollment
431
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Woodstock, IL
Mary Endres Elementary School
Federal NCES profile for Mary Endres Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataElementary school (grades K-5)NCES 174333003178
👥 S:T ratio 25
🌟 Gifted program 70
📋 Attendance 44
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mary Endres Elementary School earns 46/100 on the Resource Investment Index, with class sizes larger than 93% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #4 of 6
- elementary schools in Woodstock · Resource Index
- 46
- Resource Index · Typical
- 18.7:1
- large classes for Illinois
- 431
- students enrolled
Mary Endres Elementary School has class sizes larger than 93% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Mary Endres Elementary School ranks #4 of 6 elementary schools in Woodstock, IL.
School address
District: Woodstock Cusd 200 · Illinois
NCES ID 174333003178 Verify on NCES CCD record →
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
18.7:1
vs 14:1 Illinois avg
+34% vs state
Student-teacher ratio in context
How Mary Endres Elementary School compares with Illinois and U.S. medians
What stands out at Mary Endres Elementary School
Mary Endres Elementary School is a mid-sized elementary school in Woodstock, Illinois, enrolling 431 students.
Class loads run heavy: 18.7:1 is larger than about 93% of Illinois schools and 34% above the 14:1 state mean, so each teacher carries more students than is typical.
With 431 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by Hispanic or Latino (45%) and White (44%), more mixed than most schools in the state (diversity index 60/100).
Attendance runs somewhat below the norm, with 22.5% of students chronically absent per the 2021-22 civil-rights collection.
Among Woodstock's elementary schools, it stands alongside Creekside Middle School (736 students): Mary Endres Elementary School is smaller than that campus by headcount and runs heavier classes (18.7:1 vs 14.2:1).
Woodstock Cusd 200 also operates Woodstock High School (988 students) and Woodstock North High School (915 students) alongside Mary Endres Elementary 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 Mary Endres Elementary School compares
Mary Endres Elementary 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 | 18.7:1 | ▲ 34% | 14:1 | 15.7:1 |
| Enrollment | 431 | top 40% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.7:1
Leaner classes than 21% of US schools, heavier class loads than most.
431
Bigger than 52% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
18.7:1
students per teacher
- 34% above state mean
Top 93% in Illinois - lower ratio than 7% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
22.5%
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
$17,772
per pupil, district-wide
- above Illinois avg of $17,042
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
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.
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 44.8%
White 43.6%
African American 6.5%
Two or More 4.2%
Asian 0.9%
Largest group: Hispanic or Latino at 44.8% of enrollment.
Student-body diversity index 60.3/100
Simpson diversity index - at 60.3, Mary Endres Elementary School is more mixed than the Illinois school average of 38.9.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Woodstock Cusd 200, which includes Mary Endres Elementary School.
$17,772
Per student
+4%
vs Illinois
Avg $17,042
+7%
vs U.S.
Avg $16,593
Revenue mix
Local 54.8%
State 38.4%
Federal 6.8%
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 Mary Endres Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Woodstock High School | Larger | No free-lunch data | Lower S:T ratio |
| Woodstock North High School | Larger | No free-lunch data | Lower S:T ratio |
| Creekside Middle School | Larger | No free-lunch data | Lower S:T ratio |
| Verda Dierzen Early Learning Ctr | Larger | No free-lunch data | Similar S:T ratio |
| Northwood Middle School | Larger | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Mary Endres Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 988
- Students per teacher
- 15.2:1
- Resource Index
- 38/100
- Enrollment
- 915
- Students per teacher
- 14.1:1
- Resource Index
- 41/100
- Enrollment
- 736
- Students per teacher
- 14.2:1
- Resource Index
- 41/100
- Enrollment
- 675
- Students per teacher
- 19.3:1
- Resource Index
- 38/100
- Enrollment
- 576
- Students per teacher
- 13.1:1
- Resource Index
- 56/100
Similar elementary schools in Woodstock
5 comparable elementary schools (grades K-5) serving the same city.
Creekside Middle School
Standard public school
736 students 14.2:1 students per teacher
Verda Dierzen Early Learning Ctr
Standard public school
675 students 19.3:1 students per teacher
Olson Elementary School
Standard public school
425 students 15.7:1 students per teacher
Westwood Elem School
Standard public school
385 students 18.3:1 students per teacher
Prairiewood Elem Sch
Standard public school
374 students 14.4:1 students per teacher
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~431 students)
Similar student-teacher ratio (~18.7:1)
Next steps
Verify locally before acting on Mary Endres Elementary School's federal record.
- Compare Mary Endres Elementary School against another school. Compare schools
- Woodstock Cusd 200'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 Mary Endres Elementary School
How many students attend Mary Endres Elementary School?
Mary Endres Elementary School has 431 students enrolled. It is an elementary school in Woodstock, IL.
What is the student-teacher ratio at Mary Endres Elementary School?
The student-teacher ratio at Mary Endres Elementary School is 18.7:1, which is 34% higher than the Illinois average of 14:1 and 19% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Mary Endres Elementary School?
The largest demographic group at Mary Endres Elementary School is Hispanic or Latino at 44.8% of enrollment, in Woodstock, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.3/100.
What is the Resource Investment Index for Mary Endres Elementary School?
Mary Endres Elementary School has a Resource Investment Index of 46/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mary Endres Elementary School rank among elementary schools in Woodstock?
By Resource Investment Index, Mary Endres Elementary School ranks #4 of 6 elementary schools in Woodstock, 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 Woodstock on the city page.
Is Mary Endres Elementary School a good school?
Mary Endres Elementary School earns 46/100 on the Resource Investment Index, with class sizes larger than 93% of Illinois schools. It is also more racially and ethnically mixed than most Illinois 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 Woodstock Cusd 200?
Besides Mary Endres Elementary School, Woodstock Cusd 200 also operates Woodstock High School (988 students), Woodstock North High School (915 students), and Creekside Middle School (736 students). See the Woodstock Cusd 200 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.