The Hartland-Lakeside J3 district serves all or some of: Delafield, Hartland, and Merton. Hartland-Lakeside J3 School District currently has 7 single family homes for sale with an average list price of $694,782, 1 townhouse for sale with a list price of $449,000, and 1 condo for sale with a list price of $1,075,000 that attend the district. The average annual property tax for Hartland-Lakeside J3 School District is $4,415.