#1 Best Catholic Schools in Belleville, IL
Blessed Sacrament School
Parish school · Grades Pre-K–8
The smallest classes of any Catholic school in Belleville
Belleville, IL
A+Overall grade142 students10 students per teacher
2026 lists
Best Catholic Schools in Belleville, IL
The highest-graded schools of this kind in Belleville, IL. Top 5 of 5 schools.
#2 Best Catholic Schools in Belleville, IL
Our Lady Queen of Peace School
Parish school · Grades Pre-K–8
Serving families in Belleville since at least 2011
Belleville, IL
A+Overall grade139 students12 students per teacher
#3 Best Catholic Schools in Belleville, IL
St. Teresa Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 61% of Catholic schools in Illinois
Belleville, IL
AOverall grade153 students11 students per teacher
#4 Best Catholic Schools in Belleville, IL
Althoff Catholic High School
Diocesan school · Grades 9–12
The largest Catholic school in Belleville
Belleville, IL
AOverall grade335 students15 students per teacher
#5 Best Catholic Schools in Belleville, IL
Notre Dame Academy of Belleville
Parish school · Grades Pre-K–8
One of 5 Catholic schools in Belleville
Belleville, IL
BOverall grade67 students
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.