#1 Private Schools with the Smallest Classes in Renton, WA
Cedar River Montessori School
Montessori school · Grades Pre-K–8
5.5 students per teacher
Renton, WA
A+Overall grade79 students6 students per teacher
2026 lists
Private Schools with the Smallest Classes in Renton, WA
Private schools in Renton, WA with the fewest students per teacher (not counting preschools and special education schools). Top 6 of 6 schools.
#2 Private Schools with the Smallest Classes in Renton, WA
Renton Prep Christian School
Lutheran (Missouri Synod) school · Grades Pre-K–10
8 students per teacher
Renton, WA
A+Overall grade165 students8 students per teacher
#3 Private Schools with the Smallest Classes in Renton, WA
Renton Prep Christian School
Lutheran (Missouri Synod) school · Grades Pre-K–10
13.3 students per teacher
Renton, WA
B+Overall grade220 students13 students per teacher
#4 Private Schools with the Smallest Classes in Renton, WA
Renton Christian School
Assembly of God school · Grades Pre-K–8
15.9 students per teacher
Renton, WA
B+Overall grade690 students16 students per teacher
#5 Private Schools with the Smallest Classes in Renton, WA
St. Anthony Elementary School
Diocesan school · Grades Pre-K–8
17.5 students per teacher
Renton, WA
B+Overall grade350 students18 students per teacher
#6 Private Schools with the Smallest Classes in Renton, WA
Maple Valley Elementary School
Christian school (nondenominational) · Grades Pre-K–6
53 students per teacher
Renton, WA
B+Overall grade53 students
From official public records, updated October 2026.