#1 Best Catholic Schools in Denver County, CO
Bishop Machebeuf High School
Diocesan school · Grades 9–12
Smaller classes than 86% of Catholic schools nationwide
Denver, CO
A+Overall grade164 students8 students per teacher
2026 lists
Best Catholic Schools in Denver County, CO
The highest-graded schools of this kind in Denver County, CO. Top 11 of 11 schools.
#2 Best Catholic Schools in Denver County, CO
St. Vincent De Paul Catholic School
Diocesan school · Grades K–8
Smaller classes than 77% of Catholic schools in Colorado
Denver, CO
A+Overall grade372 students8 students per teacher
#3 Best Catholic Schools in Denver County, CO
Notre Dame Parish School
Diocesan school · Grades Pre-K–8
Serving families in Denver since at least 2011
Denver, CO
A+Overall grade169 students12 students per teacher
#4 Best Catholic Schools in Denver County, CO
Mullen High School
Independent Catholic school · Grades 9–12
The largest of 47 Catholic schools in Colorado
Denver, CO
A+Overall grade753 students13 students per teacher
#5 Best Catholic Schools in Denver County, CO
Annunciation
Parish school · Grades K–8
Serving families in Denver since at least 2011
Denver, CO
AOverall grade161 students12 students per teacher
#6 Best Catholic Schools in Denver County, CO
Blessed Sacrament Parish School
Diocesan school · Grades Pre-K–8
Smaller classes than 67% of Catholic schools in Colorado
Denver, CO
AOverall grade327 students10 students per teacher
#7 Best Catholic Schools in Denver County, CO
Escuela De Guadalupe
Independent Catholic school · Grades Pre-K–8
Growing: enrollment up 66% since 2011–12
Denver, CO
A-Overall grade189 students12 students per teacher
#8 Best Catholic Schools in Denver County, CO
St. James Catholic School
Diocesan school · Grades Pre-K–8
Growing: enrollment up 26% since 2011–12
Denver, CO
B+Overall grade193 students13 students per teacher
#9 Best Catholic Schools in Denver County, CO
Good Shepherd Catholic School
Diocesan school · Grades Pre-K–8
Serving families in Denver since at least 2011
Denver, CO
BOverall grade355 students15 students per teacher
#10 Best Catholic Schools in Denver County, CO
St. Rose of Lima Catholic Academy
Diocesan school · Grades Pre-K–8
Serving families in Denver since at least 2011
Denver, CO
BOverall grade185 students14 students per teacher
#11 Best Catholic Schools in Denver County, CO
Arrupe Jesuit High School
Independent Catholic school · Grades 9–12
Growing: enrollment up 25% since 2011–12
Denver, CO
B-Overall grade413 students17 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.