Evidence from Project STAR has suggested that on average small classes increase student achievement. However, thus far … positive and negative and that although students benefit considerably from being in small classes in some schools, in other … schools being in small classes is a disadvantage. Small class effects were inconsistent and varied significantly across …

Evidence from Project STAR has suggested that on average small classes increase student achievement. However, thus far … positive and negative and that although students benefit considerably from being in small classes in some schools, in other … schools being in small classes is a disadvantage. Small class effects were inconsistent and varied significantly across …