County directory · Illinois · 2026–27

School districts in Grundy County, IL

Grundy County has 12 regular public school districts, enrolling 13,098 students in 2024–25. The largest is Minooka CCSD 201 (4,361 students, 33% of the county), followed by Minooka CHSD 111 and Coal City CUSD 1. 9 of the 12 offer kindergarten. Illinois's kindergarten cutoff: turn 5 by September 1.

The 12 districts, largest first

School districts in Grundy County, IL by 2024–25 enrollment
District and officeGradesSchoolsStudentsKindergartenDistrict office contact
Minooka CCSD 201
305 W Church St, Minooka
also serves Kendall County and Will County
Pre-K–874,361398
(815) 467-3127
Minooka CHSD 111
201 S Wabena Ave, Minooka
also serves Kendall County and Will County
9–1212,918—
(815) 521-4311
Coal City CUSD 1
550 S Carbon Hill Rd, Coal City
also serves Will County
Pre-K–1252,129141
(815) 634-2287
Morris SD 54
2001 Dupont Ave, Morris
Pre-K–821,082100
(815) 942-0056
Morris CHSD 101
1000 Union St, Morris
also serves Kendall County
9–121926—
(815) 941-5326
Saratoga CCSD 60C
4040 N Division St, Morris
also serves Kendall County
Pre-K–8178672
(815) 942-2128
Mazon-Verona-Kinsman ESD 2C
1013 North St, Mazon
Pre-K–8231626
No website listed by NCES (2025–26)
(815) 448-2200
Gardner S Wilmington Twp HSD 73
500 E Main St, Gardner
also serves Kankakee County
9–121154—
(815) 237-2176
Gardner CCSD 72C
598 N Elm St, Gardner
Pre-K–8114613
(815) 237-2313
Braceville SD 75
209 N Mitchell St, Braceville
K–8113013
(815) 237-8040
Nettle Creek CCSD 24C
8820 Scott School Rd, Morris
K–81775
(815) 942-0511
South Wilmington CCSD 74
375 Fifth Ave, S Wilmington
also serves Kankakee County
K–81737
(815) 237-2281

Grundy County at a glance

Together the 12 districts run 24 schools from offices in 7 towns. The smallest by enrollment is South Wilmington CCSD 74, with 73 students; the median Grundy County district has 316. By grade span: 5 Pre-K–8, 3 9–12, 3 K–8 and 1 Pre-K–12. Without kindergarten: Minooka CHSD 111 (9–12), Morris CHSD 101 (9–12) and Gardner S Wilmington Twp HSD 73 (9–12).

Kindergarten in 2024–25, counting the 9 districts that report a K grade: 775 children. The biggest kindergarten was Minooka CCSD 201's, with 398; Coal City CUSD 1 had 141, and the smallest, Nettle Creek CCSD 24C, had 5.

Grundy County holds 12 of Illinois's 855 regular districts (1.4%) and 0.7% of its 1,837,668 public school students, ranking 14th of 102 counties by number of districts and 21st by enrollment. By size, 4 enroll 1,000 to 4,999 and 8 have fewer than 1,000 students, and the average school here has about 546 students.

7 districts reach past the county line: Minooka CCSD 201 (into Kendall County and Will County), Minooka CHSD 111 (into Kendall County and Will County), Coal City CUSD 1 (into Will County), Morris CHSD 101 (into Kendall County), Saratoga CCSD 60C (into Kendall County), Gardner S Wilmington Twp HSD 73 (into Kankakee County) and South Wilmington CCSD 74 (into Kankakee County).

Which district am I in?

Each district draws its own attendance zones, so your home address decides it, and with 7 of Grundy County's districts crossing county lines the county alone won't. There is no address lookup here; ask the district. 1 of the 12 have no website on file with NCES; their office phone numbers are in the table. Websites for the rest:

Minooka CCSD 201 · Minooka CHSD 111 · Coal City CUSD 1 · Morris SD 54 · Morris CHSD 101 · Saratoga CCSD 60C · Gardner S Wilmington Twp HSD 73 · Gardner CCSD 72C · Braceville SD 75 · Nettle Creek CCSD 24C · South Wilmington CCSD 74

What grade will my child be in?

↓ Tap Calculate to see the grade
Most US states use a September 1 cutoff. Year-stamped for the 2026–27 school year.

More in Illinois

Every Illinois district by county · Illinois kindergarten cutoff

More Illinois county directories: Jefferson County (14) · Kankakee County (11) · Sangamon County (10) · St. Clair County (27) · Tazewell County (18) · Winnebago County (11)

Sources

District list, grades, school counts and websites: NCES Common Core of Data (CCD) LEA Universe Directory, SY 2025-26 (preliminary, v0a), published July 1, 2026. Regular public districts only (NCES LEA types 1 and 2); charter-only, state-run and regional service agencies are not listed.
Enrollment: NCES CCD LEA Membership, SY 2024-25 (v1a), published December 29, 2025 — the newest year NCES has released.
Counties: NCES EDGE Public LEA Geocodes, SY 2024-25 (district office location) and NCES EDGE Geographic Relationship Files 2025 (grf25_lea_county) (counties each district boundary covers).
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