Title page

Contents

MOST i3 GRANTEES TESTED NEW IDEAS AND, ACROSS ALL GRANTS, THE MOST COMMONLY TESTED STRATEGIES INVOLVED PROFESSIONAL DEVELOPMENT... 7

GOAL OF BUILDING RIGOROUS EVIDENCE ABOUT IMPLEMENTATION AND EFFECTIVENESS OF i3 STRATEGIES LARGELY ACHIEVED 11

MOST GRANTEES DELIVERED THEIR STRATEGY AS INTENDED, BUT FEWER FOUND POSITIVE EFFECTS OF THEIR STRATEGY ON STUDENT OUTCOMES 13

LOOKING AHEAD 16

ACKNOWLEDGEMENTS 22

Exhibits

Exhibit 1. i3 Funding by Grant Type: 2010-2016 8

Exhibit 2. Objectives (Percentage of Grants) 9

Exhibit 3. Key Components of Strategies (Percentage of Grants) 10

Exhibit 4. Targeted Student Academic Outcomes (Percentage of Grants) 11

Exhibit 5. Strength of Evidence from i3 Grant Evaluations, Overall and by Grant Type (Percentage of Grants) 13

Exhibit 6. Effects of i3 Grant Strategies on Student Outcomes: i3 Grants Overall and by Grant Type (Percentage of Grants) 14

Exhibit 7. Magnitude of Effects of i3 Grant Strategies on Student Performance, by Content Area 15