#1 Private Schools with the Smallest Classes in Madison County, IL
Montessori Childrens House
Montessori school · Grades Pre-K–7
5.1 students per teacher
Godfrey, IL
B+Overall grade63 students5 students per teacher
2026 lists
Private Schools with the Smallest Classes in Madison County, IL
Private schools in Madison County, IL with the fewest students per teacher (not counting preschools and special education schools). Top 20 of 20 schools.
#2 Private Schools with the Smallest Classes in Madison County, IL
St. Ambrose Catholic School
Parish school · Grades Pre-K–8
8.1 students per teacher
Godfrey, IL
A+Overall grade192 students8 students per teacher
#3 Private Schools with the Smallest Classes in Madison County, IL
Mississippi Valley Christian School
Baptist school · Grades Pre-K–12
9.3 students per teacher
Alton, IL
A-Overall grade83 students9 students per teacher
#4 Private Schools with the Smallest Classes in Madison County, IL
Our Lady Queen of Peace School
Parish school · Grades Pre-K–7
9.5 students per teacher
Bethalto, IL
AOverall grade80 students10 students per teacher
#5 Private Schools with the Smallest Classes in Madison County, IL
Zion Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
9.9 students per teacher
Bethalto, IL
B+Overall grade167 students10 students per teacher
#6 Private Schools with the Smallest Classes in Madison County, IL
Holy Family Catholic School
Diocesan school · Grades Pre-K–8
10.4 students per teacher
Granite City, IL
B+Overall grade129 students10 students per teacher
#7 Private Schools with the Smallest Classes in Madison County, IL
Rivers of Life Christian School
Christian school (nondenominational) · Grades Pre-K–12
10.5 students per teacher
Granite City, IL
B+Overall grade119 students11 students per teacher
#8 Private Schools with the Smallest Classes in Madison County, IL
Good Shepherd Lutheran
Lutheran (Missouri Synod) school · Grades Pre-K–8
11 students per teacher
Collinsville, IL
BOverall grade263 students11 students per teacher
#9 Private Schools with the Smallest Classes in Madison County, IL
SS Peter & Paul School
Parish school · Grades Pre-K–8
11.1 students per teacher
Collinsville, IL
A+Overall grade136 students11 students per teacher
#10 Private Schools with the Smallest Classes in Madison County, IL
St. Paul Catholic School
Parish school · Grades Pre-K–8
11.8 students per teacher
Highland, IL
B+Overall grade181 students12 students per teacher
#11 Private Schools with the Smallest Classes in Madison County, IL
St. Elizabeth Elementary School
Diocesan school · Grades Pre-K–8
11.8 students per teacher
Granite City, IL
AOverall grade140 students12 students per teacher
#12 Private Schools with the Smallest Classes in Madison County, IL
St. Mary School
Diocesan school · Grades Pre-K–5
12.9 students per teacher
Alton, IL
B+Overall grade166 students13 students per teacher
#13 Private Schools with the Smallest Classes in Madison County, IL
Maryville Christian School
Baptist school · Grades K–12
13.1 students per teacher
Maryville, IL
B-Overall grade590 students13 students per teacher
#14 Private Schools with the Smallest Classes in Madison County, IL
Trinity Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
13.8 students per teacher
Edwardsville, IL
B-Overall grade211 students14 students per teacher
#15 Private Schools with the Smallest Classes in Madison County, IL
Father McGivney Catholic H S
Diocesan school · Grades 9–12
14 students per teacher
Glen Carbon, IL
BOverall grade305 students14 students per teacher
#16 Private Schools with the Smallest Classes in Madison County, IL
Evangelical School
Religious school · Grades Pre-K–8
14.5 students per teacher
Godfrey, IL
B+Overall grade243 students15 students per teacher
#17 Private Schools with the Smallest Classes in Madison County, IL
St. Boniface Catholic School
Parish school · Grades Pre-K–8
16.8 students per teacher
Edwardsville, IL
B-Overall grade233 students17 students per teacher
#18 Private Schools with the Smallest Classes in Madison County, IL
St. Marys School
Diocesan school · Grades Pre-K–8
17.3 students per teacher
Edwardsville, IL
B-Overall grade187 students17 students per teacher
#19 Private Schools with the Smallest Classes in Madison County, IL
Holy Cross Lutheran Church & School
Lutheran (Missouri Synod) school · Grades Pre-K–8
17.3 students per teacher
Collinsville, IL
B-Overall grade157 students17 students per teacher
#20 Private Schools with the Smallest Classes in Madison County, IL
Marquette Catholic High School
Diocesan school · Grades 9–12
92.8 students per teacher
Alton, IL
B+Overall grade371 students
From official public records, updated October 2026.