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County rankings · Lowest ratio

Illinois: the counties with the lowest student-to-teacher ratios

89 counties

Illinois public school districts ranked by the lowest county-wide student-to-teacher ratio. Counties need at least 3 schools and 1,000 students to qualify.

#CountyStateSchoolsStudentsRatio
1Edgar CountyIL152,65011.0:1
2Jo Daviess CountyIL163,01211.0:1
3Greene CountyIL61,70311.1:1
4Livingston CountyIL215,27311.1:1
5Mason CountyIL92,12411.3:1
6Ford CountyIL82,45011.5:1
7Iroquois CountyIL233,90911.5:1
8Massac CountyIL92,02611.6:1
9De Witt CountyIL72,18511.7:1
10Fulton CountyIL214,16011.7:1
11Marshall CountyIL71,57611.7:1
12McDonough CountyIL123,25011.7:1
13Bureau CountyIL214,54711.8:1
14Clay CountyIL82,13011.8:1
15Saline CountyIL153,70411.8:1
16Crawford CountyIL102,68412.0:1
17Douglas CountyIL102,78012.0:1
18Hancock CountyIL122,70312.0:1
19Logan CountyIL143,44812.1:1
20Shelby CountyIL132,92212.1:1
21Fayette CountyIL122,85812.2:1
22Bond CountyIL81,85212.3:1
23Menard CountyIL71,70112.3:1
24Union CountyIL152,47812.3:1
25Marion CountyIL225,63612.4:1
26Piatt CountyIL143,08612.4:1
27Wayne CountyIL122,40412.4:1
28LaSalle CountyIL4414,52312.5:1
29Washington CountyIL71,73912.5:1
30Jefferson CountyIL215,31412.6:1
31Morgan CountyIL194,44612.6:1
32Franklin CountyIL195,52312.7:1
33Montgomery CountyIL153,83512.7:1
34Pike CountyIL112,39412.7:1
35Carroll CountyIL71,94512.8:1
36Mercer CountyIL81,94112.8:1
37Jackson CountyIL206,81112.9:1
38Lake CountyIL186118,03212.9:1
39Lawrence CountyIL61,96412.9:1
40Knox CountyIL176,35913.0:1
41Stephenson CountyIL206,09213.0:1
42Warren CountyIL102,78813.0:1
43White CountyIL102,16813.0:1
44Clark CountyIL82,45613.1:1
45Johnson CountyIL71,74313.1:1
46Macoupin CountyIL267,22113.1:1
47Effingham CountyIL155,06313.2:1
48Boone CountyIL168,99313.3:1
49Cumberland CountyIL51,49313.3:1
50Ogle CountyIL228,26913.3:1

See the national lowest ratio ranking →