We used multilevel mixed modeling to test the extent to which students' music achievement scores were related to their reading and math achievement scores. Of the four levels examined (individual students, classrooms, schools, and districts), only individuals and districts accounted for a significant portion of the total variance in achievement…

"Math Expressions" is a curriculum for students in prekindergarten through sixth grade that aims to build students' conceptual understanding of mathematics and to develop fluency in mathematical problem solving and computation. The curriculum encourages student learning of mathematics through real-world situations, visual supports such…