#1 Best Catholic Schools in Arapahoe County, CO
St. Mary's Academy
Independent Catholic school · Grades Pre-K–12
One of the 3 largest Catholic schools in Colorado
Englewood, CO
A+Overall grade664 students9 students per teacher
2026 lists
Best Catholic Schools in Arapahoe County, CO
The highest-graded schools of this kind in Arapahoe County, CO. Top 8 of 8 schools.
#2 Best Catholic Schools in Arapahoe County, CO
St. Pius X Catholic School
Parish school · Grades Pre-K–8
The only Catholic school in Aurora
Aurora, CO
A+Overall grade170 students11 students per teacher
#3 Best Catholic Schools in Arapahoe County, CO
Our Lady Help of Christians Academy
Parish school · Grades K–12
Smaller classes than 84% of Catholic schools nationwide
Watkins, CO
A+Overall grade115 students7 students per teacher
#4 Best Catholic Schools in Arapahoe County, CO
Chesterton Academy of Our Lady of Victory
Independent Catholic school · Grades 9–12
Smaller classes than 93% of Catholic schools nationwide
Centennial, CO
AOverall grade76 students6 students per teacher
#5 Best Catholic Schools in Arapahoe County, CO
Our Lady of Loreto Catholic School
Parish school · Grades Pre-K–8
Growing: enrollment up 108% since 2015–16
Foxfield, CO
A-Overall grade391 students13 students per teacher
#6 Best Catholic Schools in Arapahoe County, CO
St. Mary Littleton
Parish school · Grades Pre-K–8
The only Catholic school in Littleton
Littleton, CO
BOverall grade370 students13 students per teacher
#7 Best Catholic Schools in Arapahoe County, CO
All Souls Catholic School
Parish school · Grades Pre-K–8
Serving families in Englewood since at least 2011
Englewood, CO
BOverall grade279 students13 students per teacher
#8 Best Catholic Schools in Arapahoe County, CO
St. Thomas More Parish School
Diocesan school · Grades Pre-K–8
One of 2 Catholic schools in Centennial
Centennial, CO
B-Overall grade355 students19 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.