#1 Best Private Schools in Adams County, CO
Face School
Christian school (nondenominational) · Grades Pre-K–12
Smaller classes than 92% of Christian schools in Colorado
Westminster, CO
A+Overall grade351 students4 students per teacher
2026 lists
Best Private Schools in Adams County, CO
Private schools in Adams County, CO with the highest overall grades. Top 8 of 8 schools.
#2 Best Private Schools in Adams County, CO
Assumption Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 62% of Catholic schools in Colorado
Denver, CO
A-Overall grade128 students11 students per teacher
#3 Best Private Schools in Adams County, CO
Zion Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Serving families in Brighton since at least 2011
Brighton, CO
BOverall grade201 students13 students per teacher
#4 Best Private Schools in Adams County, CO
Lord of Life Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
The only Christian school in Thornton
Thornton, CO
BOverall grade91 students17 students per teacher
#5 Best Private Schools in Adams County, CO
Belleview Christian School
Christian school (nondenominational) · Grades Pre-K–12
One school from pre-K through 12th grade
Westminster, CO
BOverall grade284 students11 students per teacher
#6 Best Private Schools in Adams County, CO
Frassati Catholic Academy
Diocesan school · Grades Pre-K–8
The only Catholic school in Thornton
Thornton, CO
BOverall grade299 students15 students per teacher
#7 Best Private Schools in Adams County, CO
Blessed Miguel Pro Catholic Academy
Diocesan school · Grades Pre-K–8
The only Catholic school in Westminster
Westminster, CO
B-Overall grade143 students13 students per teacher
#8 Best Private Schools in Adams County, CO
Flatirons Academy
Christian school (nondenominational) · Grades K–12
The largest Christian school in Westminster
Westminster, CO
B-Overall grade515 students16 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.