#1 Most Diverse Private Schools in Madison County, IL
Marquette Catholic High School
Diocesan school · Grades 9–12
Largest group: 43% of students
Alton, IL
B+Overall grade371 students
2026 lists
Most Diverse Private Schools in Madison County, IL
Private schools in Madison County, IL with the most varied mix of students. Top 21 of 21 schools.
#2 Most Diverse Private Schools in Madison County, IL
Coordinated Youth & Human Services
Special education school · Grades 2–12
Largest group: 54% of students
Granite City, IL
A-Overall grade54 students5 students per teacher
#3 Most Diverse Private Schools in Madison County, IL
Rivers of Life Christian School
Christian school (nondenominational) · Grades Pre-K–12
Largest group: 58% of students
Granite City, IL
B+Overall grade119 students11 students per teacher
#4 Most Diverse Private Schools in Madison County, IL
SS Peter & Paul School
Parish school · Grades Pre-K–8
Largest group: 68% of students
Collinsville, IL
A+Overall grade136 students11 students per teacher
#5 Most Diverse Private Schools in Madison County, IL
St. Mary School
Diocesan school · Grades Pre-K–5
Largest group: 69% of students
Alton, IL
B+Overall grade166 students13 students per teacher
#6 Most Diverse Private Schools in Madison County, IL
St. Elizabeth Elementary School
Diocesan school · Grades Pre-K–8
Largest group: 75% of students
Granite City, IL
AOverall grade140 students12 students per teacher
#7 Most Diverse Private Schools in Madison County, IL
Montessori Childrens House
Montessori school · Grades Pre-K–7
Largest group: 75% of students
Godfrey, IL
B+Overall grade63 students5 students per teacher
#8 Most Diverse Private Schools in Madison County, IL
Mississippi Valley Christian School
Baptist school · Grades Pre-K–12
Largest group: 78% of students
Alton, IL
A-Overall grade83 students9 students per teacher
#9 Most Diverse Private Schools in Madison County, IL
Zion Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 83% of students
Bethalto, IL
B+Overall grade167 students10 students per teacher
#10 Most Diverse Private Schools in Madison County, IL
Maryville Christian School
Baptist school · Grades K–12
Largest group: 89% of students
Maryville, IL
B-Overall grade590 students13 students per teacher
#11 Most Diverse Private Schools in Madison County, IL
Father McGivney Catholic H S
Diocesan school · Grades 9–12
Largest group: 90% of students
Glen Carbon, IL
BOverall grade305 students14 students per teacher
#12 Most Diverse Private Schools in Madison County, IL
Good Shepherd Lutheran
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 90% of students
Collinsville, IL
BOverall grade263 students11 students per teacher
#13 Most Diverse Private Schools in Madison County, IL
Trinity Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 90% of students
Edwardsville, IL
B-Overall grade211 students14 students per teacher
#14 Most Diverse Private Schools in Madison County, IL
Holy Family Catholic School
Diocesan school · Grades Pre-K–8
Largest group: 90% of students
Granite City, IL
B+Overall grade129 students10 students per teacher
#15 Most Diverse Private Schools in Madison County, IL
St. Ambrose Catholic School
Parish school · Grades Pre-K–8
Largest group: 91% of students
Godfrey, IL
A+Overall grade192 students8 students per teacher
#16 Most Diverse Private Schools in Madison County, IL
St. Marys School
Diocesan school · Grades Pre-K–8
Largest group: 91% of students
Edwardsville, IL
B-Overall grade187 students17 students per teacher
#17 Most Diverse Private Schools in Madison County, IL
St. Paul Catholic School
Parish school · Grades Pre-K–8
Largest group: 94% of students
Highland, IL
B+Overall grade181 students12 students per teacher
#18 Most Diverse Private Schools in Madison County, IL
Holy Cross Lutheran Church & School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 94% of students
Collinsville, IL
B-Overall grade157 students17 students per teacher
#19 Most Diverse Private Schools in Madison County, IL
Evangelical School
Religious school · Grades Pre-K–8
Largest group: 97% of students
Godfrey, IL
B+Overall grade243 students15 students per teacher
#20 Most Diverse Private Schools in Madison County, IL
St. Boniface Catholic School
Parish school · Grades Pre-K–8
Largest group: 97% of students
Edwardsville, IL
B-Overall grade233 students17 students per teacher
#21 Most Diverse Private Schools in Madison County, IL
Our Lady Queen of Peace School
Parish school · Grades Pre-K–7
Largest group: 99% of students
Bethalto, IL
AOverall grade80 students10 students per teacher
From official public records, updated October 2026.