North Clackamas School District As Oregon’s 7th largest public school district North Clackamas serves 17287 students in grades K-12. Our 32 schools are located in the communities of Oak Grove Milwaukie Clackamas Happy Valley and unincorporated Clackamas County. Education SHARE LISTING Share On Facebook Share On X Share On Messenger Share On Reddit Share On Pinterest Copy URL Education Icon 12400 SE Freeman Way Milwaukie, OR 97222 Website