Sure!
grades: (id, grade_lvl, grade_txt)
1, -2, Pre-K
2, -1, K
3, 1, 1
4, 2, 2
5, 3, Pre-Adult
programs: (id, prog_name, grade_from_id, grade_to_id)
1, Science, 2, 4
2, Math, 1, 4
3, Advanced Reading, 5, 5
Expected results:
User selects, from a pull down menu, Grade "1".
User is shown...