#25 Private Schools with the Smallest Classes in Waukesha County, WI
St. Charles Parish School
Diocesan school · Grades Pre-K–8
12.7 students per teacher
Hartland, WI
B-Overall grade274 students13 students per teacher
2026 lists
Private Schools with the Smallest Classes in Waukesha County, WI
Private schools in Waukesha County, WI with the fewest students per teacher (not counting preschools and special education schools). Top 44 of 44 schools.
From official public records, updated October 2026.