This report systematically reviews research on the achievement outcomes of four types of approaches to improving the reading success of children in the elementary grades:

• Reading Curricula
• Instructional Technology
• Instructional Process Programs
• Combinations of Curricula and Instructional Process

Technical Report

Neitzel, A., Lake, C., Byun, S., Shi, C., & Slavin, R. (2019) . Effective Tier 1 reading for elementary schools: A systematic review https://osf.io/xsw2p/

Archive of Earlier, Published Report

Slavin, R.E., Lake, C., Chambers, B., Cheung, A., & Davis, S. (2009).  Effective reading programs for the elementary grades: A best-evidence synthesis.  Review of Educational Research, 79 (4), 1391-1466.