To determine how many students stay for afterschool programs, we look at the row for each grade level and sum the numbers listed under "Afterschool Programs."
- 10th grade: 10 students
- 11th grade: 6 students
- 12th grade: 7 students
Now, we will sum these numbers:
10 + 6 + 7 = 23
Therefore, the total number of students that stay for afterschool programs is 23.