Lewiston Independent School District #1 Share: Education Lewiston Independent School District #1 Visit Website 3317 12th Street Lewiston, ID 83501 (208) 748-3000 (208) 748-3059 (fax) About About Idaho's oldest school district, we operate 11 public schools, educating over 5,000 students in one of the state's finest educational environments. Parent and community involvement encouraged.