Suggestion: Let any child of any age take the GED or similar private exam. If they pass award them an official high school diploma from their local high school.
How about another change that would cost nothing?
Suggestion: Move all sports, theater, cheer leading. art, choir, band, etc. to the county departments of recreation. Immediately gone from the K-12 schools are all the students who are only taking up space in these buildings because the government has a monopoly on minor league sports and other community cultural activities.