#1 Best Private Schools in Jefferson County, 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 Jefferson County, WI
Private schools in Jefferson County, WI with the highest overall grades. Top 17 of 17 schools.
#2 Best Private Schools in Jefferson County, 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 Jefferson County, WI
St. John the Baptist Catholic School
Parish school · Grades Pre-K–8
Smaller classes than 67% of Catholic schools in Wisconsin
Jefferson, WI
A+Overall grade82 students8 students per teacher
#4 Best Private Schools in Jefferson County, 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
#5 Best Private Schools in Jefferson County, WI
St. Joseph School
Diocesan school · Grades K–8
The only Catholic school in Fort Atkinson
Fort Atkinson, WI
AOverall grade105 students8 students per teacher
#6 Best Private Schools in Jefferson County, 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
#7 Best Private Schools in Jefferson County, WI
St. John Evangelical Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Smaller classes than 71% of Christian schools in Wisconsin
Waterloo, WI
AOverall grade72 students10 students per teacher
#8 Best Private Schools in Jefferson County, 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
#9 Best Private Schools in Jefferson County, WI
St. Paul's Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Serving families in Fort Atkinson since at least 2011
Fort Atkinson, WI
A-Overall grade89 students13 students per teacher
#10 Best Private Schools in Jefferson County, 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
#11 Best Private Schools in Jefferson County, WI
St. Johns Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Serving families in Jefferson since at least 2011
Jefferson, WI
B+Overall grade76 students14 students per teacher
#12 Best Private Schools in Jefferson County, 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
#13 Best Private Schools in Jefferson County, 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
#14 Best Private Schools in Jefferson County, 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
#15 Best Private Schools in Jefferson County, WI
Crown of Life Christian Academy
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Growing: enrollment up 95% since 2019–20
Fort Atkinson, WI
B-Overall grade183 students14 students per teacher
#16 Best Private Schools in Jefferson County, WI
Lakeside Lutheran High School
Lutheran (Wisconsin Synod) school · Grades 9–12
Growing: enrollment up 49% since 2013–14
Lake Mills, WI
B-Overall grade535 students14 students per teacher
#17 Best Private Schools in Jefferson County, WI
St. Paul Evangelical Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
One of 2 Christian schools in Lake Mills
Lake Mills, WI
B-Overall grade203 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.