#1 Best Private Schools in Lasalle County, IL
Trinity Catholic Academy
Diocesan school · Grades Pre-K–8
The only Catholic school in La Salle
La Salle, IL
A+Overall grade113 students10 students per teacher
2026 lists
Best Private Schools in Lasalle County, IL
Private schools in Lasalle County, IL with the highest overall grades. Top 6 of 6 schools.
#2 Best Private Schools in Lasalle County, IL
St. Michael the Archangel Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 70% of Catholic schools in Illinois
Streator, IL
A+Overall grade158 students11 students per teacher
#3 Best Private Schools in Lasalle County, IL
Peru Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 79% of Catholic schools in Illinois
Peru, IL
A+Overall grade113 students10 students per teacher
#4 Best Private Schools in Lasalle County, IL
Holy Cross Elementary School
Diocesan school · Grades Pre-K–8
Smaller classes than 64% of Catholic schools in Illinois
Mendota, IL
AOverall grade125 students11 students per teacher
#5 Best Private Schools in Lasalle County, IL
Holy Family Elementary School
Diocesan school · Grades Pre-K–8
Serving families in Oglesby since at least 2011
Oglesby, IL
B+Overall grade126 students13 students per teacher
#6 Best Private Schools in Lasalle County, IL
Marquette Academy
Diocesan school · Grades Pre-K–12
100% of graduates go to four-year colleges
Ottawa, IL
BOverall grade334 students12 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.