#1 Largest Private Schools in Quincy, IL
St. Peter School
Parish school · Grades Pre-K–8
430 students
Quincy, IL
B-Overall grade430 students17 students per teacher
2026 lists
Largest Private Schools in Quincy, IL
The private schools in Quincy, IL with the most students. Top 6 of 6 schools.
#2 Largest Private Schools in Quincy, IL
St. Francis Solanus
Diocesan school · Grades Pre-K–8
212 students
Quincy, IL
B-Overall grade212 students13 students per teacher
#3 Largest Private Schools in Quincy, IL
Blessed Sacrament Catholic School
Diocesan school · Grades Pre-K–8
182 students
Quincy, IL
BOverall grade182 students14 students per teacher
#4 Largest Private Schools in Quincy, IL
St. Dominic Elementary School
Parish school · Grades Pre-K–8
165 students
Quincy, IL
BOverall grade165 students15 students per teacher
#5 Largest Private Schools in Quincy, IL
Chaddock
Special education school · Grades 1–12
102 students
Quincy, IL
B+Overall grade102 students7 students per teacher
#6 Largest Private Schools in Quincy, IL
St. James Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
94 students
Quincy, IL
BOverall grade94 students14 students per teacher
From official public records, updated October 2026.