| 2025 Class 1A Regional Assignments
 | 
 
 
Sectional A
 @ Garnsey Park
 | 
 
Host: Joliet St. Raymond
 
Saturday, September 20, 2025,  11:00 AM
 @ Garnsey Park
, 
1300 Kelly Ave, 
Joliet
   
 | 
 
| Regional 1 | 
BRACKET | 
 
Cissna Park   
 (Co-op)
 
Donovan   
 
Dwight   
 (Host Info)
 
Grant Park   
 
Milford   
 
Saunemin   
 (Co-op)
 
St. Anne   
 (Co-op)
 
 | 
 
 
  | 
| Regional 2 | 
BRACKET | 
 
Crete Illinois Lutheran   
 
Elwood GS   
 (Coed)
 
Joliet St. Raymond   
 (Host Info)
 
Lockport Taft   
 
Mazon-Verona-Kinsman   
 
Rockdale   
 
South Wilmington   
 (Co-op)
 
 | 
 
 
  | 
 
 
Sectional B
 @ Shepard Park
 | 
 
Host: Lexington
 
Saturday, September 20, 2025,  11:00 AM
 @ Shepard Park
, 
750 Hershey Rd, 
Normal
   
 | 
 
| North Field | 
 
| Regional 3 | 
BRACKET | 
 
Flanagan   
 (Co-op)
 
Lexington   
 
Lostant   
 (Co-op)
 
Pontiac St. Mary's   
 (Co-op)
 
Roanoke-Benson   
 (Host Info)
 
Streator St. Michael   
 (Co-op)
 
Streator Woodland   
 
 | 
 
 
  | 
| Regional 4 | 
BRACKET | 
 
Grand Ridge   
 (Co-op)
 
Henry-Senachwine   
 (Host Info)
 
LaSalle St. Acutis   
 
Marseilles Milton Pope   
 (Co-op)
 
Ottawa Marquette   
 
Ottawa Wallace   
 
Serena   
 
 | 
 
 
  | 
 
 
Sectional C
 @ Oak Grove Grade School
 | 
 
Host: Bartonville Oak Grove
 
Saturday, September 20, 2025,  11:00 AM
 @ Oak Grove Grade School
, 
6018 W Lancaster Rd, 
Bartonville
   
 | 
 
| Bus parking in church lot, Field behind school. Concessions and indoor plumbing available | 
 
| Regional 5 | 
BRACKET | 
 
Bartonville Monroe   
 
Bartonville Oak Grove   
 (Host Info)
 
East Peoria Robein   
 
Metamora St. Mary's   
 (Co-op)
 
Peoria Hollis   
 
Peoria Limestone Walters   
 
Washington St. Patrick   
 
 | 
 
 
  | 
| Regional 6 | 
BRACKET | 
 
Brimfield   
 
Galva   
 
Lowpoint-Washburn   
 
Peoria Christian   
 
Peoria Heights GS   
 
Peoria St. Vincent de Paul   
 (Co-op)
 
Princeville   
 (Host Info)
 
 | 
 
 
  | 
 
 
 |   
 
 
 
 | IESA Boys Baseball 2025 Class 1A Regional Assignments |  
Sectional D
 @ St. Matthew School
 | 
 
Host: Champaign St. Matthew
 
Saturday, September 20, 2025,  11:00 AM
 @ St. Matthew School
, 
1307 Lincolnshire Drive, 
Champaign
   
 | 
 
| Regional 7 | 
BRACKET | 
 
Champaign Next Generation   
 
Champaign St. Matthew   
 
Homer Heritage   
 
Mattoon St. John's   
 
Paris Crestwood   
 (Host Info)
 
Villa Grove   
 
 | 
 
 
  | 
| Regional 8 | 
BRACKET | 
 
Danville Schlarman   
 
Fisher   
 
Gifford   
 
Potomac   
 (Co-op)
 
Rantoul St. Malachy   
 (Host Info)
 
Rossville-Alvin   
 
Royal Prairieview Ogden   
 
 | 
 
 
  | 
 
 
Sectional E
 @ Lincoln Junior High 
 | 
 
Host: Lincoln West Lincoln-Broadwell
 
Saturday, September 20, 2025,  11:00 AM
 @ Lincoln Junior High 
, 
208 Broadway Street, 
Lincoln
   
 | 
 
| Regional 9 | 
BRACKET | 
 
Delavan   
 
Greenview   
 (Coed)
 
Hartsburg-Emden   
 (Host Info)
 
Lincoln Carroll Catholic   
 (Co-op)
 
Lincoln Chester-East Lincoln   
 
Lincoln West Lincoln-Broadwell   
 
Mason City Illini Central   
 
 | 
 
 
  | 
| Regional 10 | 
BRACKET | 
 
Bloomington Corpus Christi   
 
Colfax Ridgeview   
 
Marquette Heights Georgetowne   
 
Morton Bethel Lutheran   
 (Co-op)
 
Normal Epiphany   
 
Pekin Rankin   
 (Host Info)
 
South Pekin   
 (Co-op)
 
 | 
 
 
  | 
 
 
Sectional F
 @ Griggsville - Perry Sectional
 | 
 
Host: Griggsville-Perry
 
Saturday, September 20, 2025,  11:00 AM
 @ Griggsville - Perry Sectional
, 
201 East North Street, 
Perry
   
 | 
 
| The diamond is behind the School. North of the School.  There is a road that goes back to the diamond. | 
 
| Regional 11 | 
BRACKET | 
 
Augusta Southeastern   
 
Griggsville-Perry   
 (Host Info)
 
Hamilton ES   
 
Kinderhook Western   
 
Liberty   
 
Mendon Unity   
 
Payson Seymour   
 
 | 
 
 
  | 
| Regional 12 | 
BRACKET | 
 
Bushnell-Prairie City   
 
Carthage   
 
Colchester West Prairie   
 
La Harpe   
 (Host Info)
 (Co-op)
 
Monmouth ICS   
 
Nauvoo-Colusa   
 
 | 
 
 
  | 
 
 
Sectional G
 @ Gilbert Park
 | 
 
Host: Altamont Lutheran
 
Saturday, September 20, 2025,  11:00 AM
 @ Gilbert Park
, 
S Ewing St, 
Altamont
   
 | 
 
| Turn opposite the high school and the park is located behind the Altamont Senior residences. Games will be played on diamond C | 
 
| Regional 13 | 
BRACKET | 
 
Altamont   
 (Host Info)
 
Altamont Lutheran   
 
Dieterich   
 
Louisville North Clay   
 
Newton St. Thomas   
 
Oblong   
 
 | 
 
 
  | 
| Regional 14 | 
BRACKET | 
 
Beecher City   
 (Co-op)
 
Effingham Sacred Heart   
 
Effingham St. Anthony   
 (Host Info)
 
Findlay Okaw Valley   
 
Neoga   
 
Palestine   
 (Co-op)
 
Sigel St. Michael's   
 
 | 
 
 
  | 
 
 
Sectional H
 @ Alumni Field
 | 
 
Host: Jacksonville Our Saviour
 
Saturday, September 20, 2025,  11:00 AM
 @ Alumni Field
, 
1 Kiwanis Way, 
Jacksonville
   
 | 
 
| Alumni Field is across from Nichols Park in South Jacksonville | 
 
| Regional 15 | 
BRACKET | 
 
Decatur Unity   
 (Host Info)
 (Coed)
 
Edinburg   
 (Co-op)
 
Mt. Pulaski   
 
Mulberry Grove JHS   
 
Nokomis JHS   
 (Co-op)
 
Pawnee   
 
Ramsey   
 (Co-op)
 
 | 
 
 
  | 
| Regional 16 | 
BRACKET | 
 
Bunker Hill Wolf Ridge   
 
Carrollton St. John   
 (Co-op)
 
Jacksonville Our Saviour   
 (Host Info)
 
Jerseyville St. Francis HG   
 
Springfield Christ the King   
 
Springfield St. Agnes   
 
 | 
 
 
  | 
 
 
 | 
 
 
 
Class History
The IESA sanctioned boys baseball in 1955. There was one class of boys baseball until 1990 when the activity was split into A and AA based upon enrollment. It was split again in 2006 into the current three classes of 1A, 2A and 3A. 
How Class Split is Determined 
		
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