County directory · Illinois · 2026–27

School districts in Marion County, IL

Marion County has 13 regular public school districts, enrolling 6,089 students in 2024–25. The largest is Centralia SD 135 (1,068 students, 18% of the county), followed by Salem SD 111 and Centralia HSD 200. 11 of the 13 offer kindergarten. Illinois's kindergarten cutoff: turn 5 by September 1.

The 13 districts, largest first

School districts in Marion County, IL by 2024–25 enrollment
District and officeGradesSchoolsStudentsKindergartenDistrict office contact
Centralia SD 135
400 S Elm St, Centralia
also serves Clinton County and Jefferson County
Pre-K–831,068120
(618) 532-1907
Salem SD 111
1300 Bobcat Cir, Salem
Pre-K–82949116
(618) 740-0953
Centralia HSD 200
2100 E Calumet St, Centralia
also serves Clinton County, Jefferson County and Washington County
9–121887—
No website listed by NCES (2025–26)
(618) 532-7391
Salem CHSD 600
1200 N Broadway Ave, Salem
also serves Jefferson County
9–121706—
(618) 548-0727
South Central CUD 401
501 S Madison St, Kinmundy
also serves Clay County and Fayette County
Pre-K–12359240
(618) 547-3414
Sandoval CUSD 501
859 W Missouri Ave, Sandoval
also serves Clinton County
Pre-K–12342934
(618) 247-3233
Central City SD 133
129 Douglas St, Centralia
Pre-K–8127622
(618) 532-9521
Odin PSD 722
102 S Merritt St, Odin
Pre-K–12225913
(618) 740-4183
Iuka CCSD 7
405 S Main St, Iuka
Pre-K–8123123
(618) 323-6233
Selmaville CCSD 10
3185 Selmaville Rd, Salem
Pre-K–8122321
(618) 548-2416
Raccoon Cons SD 1
3601 State Route 161, Centralia
Pre-K–8120428
(618) 532-7329
Patoka CUSD 100
1220 Kinoka Rd, Patoka
also serves Clinton County and Fayette County
Pre-K–12320115
(618) 432-5440
Kell Cons SD 2
207 N Johnson St, Kell
also serves Jefferson County
K–81648
No website listed by NCES (2025–26)
(618) 822-6234

Marion County at a glance

Together the 13 districts run 23 schools from offices in 8 towns. The smallest by enrollment is Kell Cons SD 2, with 64 students; the median Marion County district has 276. By grade span: 6 Pre-K–8, 4 Pre-K–12, 2 9–12 and 1 K–8. Without kindergarten: Centralia HSD 200 (9–12) and Salem CHSD 600 (9–12).

Kindergarten in 2024–25, counting the 11 districts that report a K grade: 440 children. The biggest kindergarten was Centralia SD 135's, with 120; Salem SD 111 had 116, and the smallest, Kell Cons SD 2, had 8.

Marion County holds 13 of Illinois's 855 regular districts (1.5%) and 0.3% of its 1,837,668 public school students, ranking 12th of 102 counties by number of districts and 33rd by enrollment. By size, 1 enroll 1,000 to 4,999 and 12 have fewer than 1,000 students, and the average school here has about 265 students.

7 districts reach past the county line: Centralia SD 135 (into Clinton County and Jefferson County), Centralia HSD 200 (into Clinton County, Jefferson County and Washington County), Salem CHSD 600 (into Jefferson County), South Central CUD 401 (into Clay County and Fayette County), Sandoval CUSD 501 (into Clinton County), Patoka CUSD 100 (into Clinton County and Fayette County) and Kell Cons SD 2 (into Jefferson County).

Which district am I in?

Each district draws its own attendance zones, so your home address decides it, and with 7 of Marion County's districts crossing county lines the county alone won't. There is no address lookup here; ask the district. 2 of the 13 have no website on file with NCES; their office phone numbers are in the table. Websites for the rest:

Centralia SD 135 · Salem SD 111 · Salem CHSD 600 · South Central CUD 401 · Sandoval CUSD 501 · Central City SD 133 · Odin PSD 722 · Iuka CCSD 7 · Selmaville CCSD 10 · Raccoon Cons SD 1 · Patoka CUSD 100

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: Clinton County (12) · Cook County (144) · DuPage County (42) · Livingston County (11) · McHenry County (19) · St. Clair County (27)

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).
Downloaded October 20, 2026. Spot something off? Email [email protected].