ASCD: Association for Supervision and Curriculum Development

EPR: Every Pupil Response

MAA: Mathematical Association of America

NAEP: the National Assessment of Educational Progress

NCTM: National Council of Teachers of Mathematics

NSF: National Science Foundation

PDE: Pennsylvania Department of Education

PSSA: the Pennsylvania System of School Assessment

TIMSS: the Third International Mathematics and Science Study (1995)*

TIMSS-R: the Third International Mathematics and Science Study--Repeat (1999)