Types of Response Rate Term YTS Conducted Level N Mean Std. Deviation 95% Confidence Interval Difference (Fall–Spring)
School Fall Middle  59 83.2 12.1 ±3.1 1.0
High  54 81.3 13.4 ±3.8 0.0
Spring Middle 101 81.9 14.7 ±2.8
High  95 81.0 15.0 ±3.1
Student Fall Middle  59 84.8  7.0 ±1.8 –1.0
High  54 80.1  9.3 ±2.7 –2.0
Spring Middle 101 85.9  6.5 ±1.2
High  95 81.7  7.2 ±1.5