#1 Best Private Schools in Watertown, WI
St. Henry Catholic School
Parish school · Grades 1–8
Serving families in Watertown since at least 2011
Watertown, WI
A+Overall grade102 students9 students per teacher
2026 lists
Best Private Schools in Watertown, WI
Private schools in Watertown, WI with the highest overall grades. Top 9 of 9 schools.
#2 Best Private Schools in Watertown, WI
Calvary Baptist Christian School
Baptist school · Grades Pre-K–8
Smaller classes than 62% of Christian schools in Wisconsin
Watertown, WI
A+Overall grade152 students11 students per teacher
#3 Best Private Schools in Watertown, WI
Luther Preparatory School
Lutheran (Wisconsin Synod) school · Grades 9–12
The largest Christian school in Watertown
Watertown, WI
AOverall grade409 students9 students per teacher
#4 Best Private Schools in Watertown, WI
Trinity-St. Lukes Lutheran Elementary School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Smaller classes than 74% of Christian schools in Wisconsin
Watertown, WI
AOverall grade123 students10 students per teacher
#5 Best Private Schools in Watertown, WI
Maranatha Baptist Academy
Baptist school · Grades 9–12
Smaller classes than 80% of Christian schools in Wisconsin
Watertown, WI
A-Overall grade65 students9 students per teacher
#6 Best Private Schools in Watertown, WI
Trinity St. Lukes Lutheran Middle School
Lutheran (Wisconsin Synod) school · Grades 3–8
Serving families in Watertown since at least 2011
Watertown, WI
B+Overall grade88 students13 students per teacher
#7 Best Private Schools in Watertown, WI
St. John's Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Growing: enrollment up 72% since 2011–12
Watertown, WI
B+Overall grade143 students13 students per teacher
#8 Best Private Schools in Watertown, WI
Good Shepherd Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Growing: enrollment up 35% since 2011–12
Watertown, WI
B+Overall grade135 students15 students per teacher
#9 Best Private Schools in Watertown, WI
St. Marks Evangelical Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
One of 10 Christian schools in Watertown
Watertown, WI
BOverall grade191 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.