During the 2009-2010 school year, Marzano Research Laboratory (MRL) was commissioned by Promethean Ltd. to conduct a second year evaluation study of the effects of Promethean ActivClassroom on student academic achievement. This report describes the findings from the second year study along with aggregate findings from the first and second year evaluation studies. The combined results involved 4,913 students, 123 teachers, 73 schools, and 36 districts. Appended are: (1) MRL Action Research Instructions; (2) NCES Code Definitions; and (3) Treatment/Control Study Data. (Contains 80 figures and 11 technical notes.) [For "A Second Year Evaluation Study of Promethean ActivClassroom. Executive Summary," see ED539811.]