5th graders:
x 96 = 16
4th graders:
x 96 = 32
Remaining students: 96 - 16 - 32 = 48
2nd graders:
x 48 = 12
Answer: 12 students
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here is a breakdown by grade level:
5th graders = 16, 4th graders = 32, 2nd graders = 12, all other grades = 36