Enrollment
12
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Grafton, IL
Federal NCES profile for Il Youth Center - Pere Marquette, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 74/100.
The verdict
Il Youth Center - Pere Marquette earns 74/100 on the Resource Investment Index, with class sizes smaller than 99% of Illinois schools. It is also one of the smallest schools in Illinois.
Il Youth Center - Pere Marquette has class sizes smaller than 99% of Illinois schools. Computed live against every Illinois school reporting to NCES.
NCES ID 170000604488 Verify on NCES CCD record →
Enrollment
12
Illinois · 2024-25 NCES data
Teachers (FTE)
7.0
Federal CCD staff survey
Students per teacher
1.7:1
vs 14:1 Illinois avg
-88% vs state
How Il Youth Center - Pere Marquette compares with Illinois and U.S. medians
Smaller classes than state median
1.7:1 - 12.3 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Il Youth Center - Pere Marquette is a small combined-grade school in Grafton, Illinois, enrolling 12 students.
Classes run notably small here: at 1.7:1, Il Youth Center - Pere Marquette is leaner than roughly 99% of Illinois schools and 88% under the state's 14:1 norm, more adult attention per pupil than most peers.
This is a small campus: fewer students than 99% of Illinois schools, with 12 enrolled.
Its Resource Investment Index outscores 100% of the 3,845 Illinois schools with a score on record, a top-tier result on this measure.
Its student body is led by African American (50%) and White (25%), more mixed than most schools in the state (diversity index 65/100).
Counselor coverage is strong, about 12 students per counselor, inside the American School Counselor Association's recommended 250:1.
Among Grafton's public schools, it stands alongside Grafton Elem School (171 students): Il Youth Center - Pere Marquette is smaller than that campus by headcount and runs leaner classes (1.7:1 vs 24.4:1).
Idjj Sch Dist 428 also operates School District 428 Iyc-Hrb (42 students) and Iyc Chicago (37 students) alongside Il Youth Center - Pere Marquette.
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
Il Youth Center - Pere Marquette on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 1.7:1 | ▼ 88% | 14:1 | 15.7:1 |
| Enrollment | 12 | top 100% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: African American at 50.0% of enrollment.
Simpson diversity index - at 65.3, Il Youth Center - Pere Marquette is more mixed than the Illinois school average of 38.9.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| School District 428 Iyc-Hrb | Larger | No free-lunch data | Higher S:T ratio |
| Iyc Chicago | Larger | No free-lunch data | Higher S:T ratio |
| Illinois Youth Center-Warrenville | Larger | No free-lunch data | Higher S:T ratio |
| Illinois Youth Ctr - St Charles | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Il Youth Center - Pere Marquette's own figures; each column derives from NCES Common Core of Data.
1 comparable other schools (grades Mixed) serving the same city.
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.
Next steps
Verify locally before acting on Il Youth Center - Pere Marquette's federal record.
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.
Il Youth Center - Pere Marquette has 12 students enrolled. It is an alternative school in Grafton, IL.
The student-teacher ratio at Il Youth Center - Pere Marquette is 1.7:1, which is 88% lower than the Illinois average of 14:1 and 89% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Il Youth Center - Pere Marquette is African American at 50.0% of enrollment, in Grafton, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.3/100.
Il Youth Center - Pere Marquette has a Resource Investment Index of 74/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
Il Youth Center - Pere Marquette earns 74/100 on the Resource Investment Index, with class sizes smaller than 99% of Illinois schools. It is also one of the smallest schools in Illinois. 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.
Besides Il Youth Center - Pere Marquette, Idjj Sch Dist 428 also operates School District 428 Iyc-Hrb (42 students), Iyc Chicago (37 students), and Illinois Youth Center-Warrenville (34 students). See the Idjj Sch Dist 428 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, or report a data error. Data current as of June 2026.
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PlainSchools, “Il Youth Center - Pere Marquette, Grafton IL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/il-youth-center-pere-marquette-il/
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