#1 Private Schools with the Smallest Classes in Lasalle County, IL
La Salle Peru Christian School
Baptist school · Grades Pre-K–12
7 students per teacher
La Salle, IL
AOverall grade45 students7 students per teacher
2026 lists
Private Schools with the Smallest Classes in Lasalle County, IL
Private schools in Lasalle County, IL with the fewest students per teacher (not counting preschools and special education schools). Top 7 of 7 schools.
#2 Private Schools with the Smallest Classes in Lasalle County, IL
Peru Catholic School
Diocesan school · Grades Pre-K–8
9.5 students per teacher
Peru, IL
A+Overall grade113 students10 students per teacher
#3 Private Schools with the Smallest Classes in Lasalle County, IL
Trinity Catholic Academy
Diocesan school · Grades Pre-K–8
9.9 students per teacher
La Salle, IL
A+Overall grade113 students10 students per teacher
#4 Private Schools with the Smallest Classes in Lasalle County, IL
St. Michael the Archangel Catholic School
Diocesan school · Grades Pre-K–8
10.5 students per teacher
Streator, IL
A+Overall grade158 students11 students per teacher
#5 Private Schools with the Smallest Classes in Lasalle County, IL
Holy Cross Elementary School
Diocesan school · Grades Pre-K–8
11.1 students per teacher
Mendota, IL
AOverall grade125 students11 students per teacher
#6 Private Schools with the Smallest Classes in Lasalle County, IL
Marquette Academy
Diocesan school · Grades Pre-K–12
11.5 students per teacher
Ottawa, IL
BOverall grade334 students12 students per teacher
#7 Private Schools with the Smallest Classes in Lasalle County, IL
Holy Family Elementary School
Diocesan school · Grades Pre-K–8
12.6 students per teacher
Oglesby, IL
B+Overall grade126 students13 students per teacher
From official public records, updated October 2026.