The average principal salary at Lapwai District was $106,689 , which is 6 percent higher than the average salary for this job in Idaho, but 9 percent lower than the national average for this job . Principal salaries at Lapwai District typically range from $100,080 to $113,298 (25th to 75th percentile). The highest reported principal salary was $113,298. There are 2 employees at Lapwai District with the job title principal.