Intervention Type
Small Group
WWC
Year: WWC
2007
Rating: WWC
+13
# of Studies
1
Population
All Ability Levels
Grade
Race / Ethnicity
Black
White
Time: Minutes per Day
50
Time: Days per Week
5

Wilson Reading System

Current evidence

https://ies.ed.gov/ncee/wwc/InterventionReport/546

Skill
Alphabetics
ESSA
Rating: ESSA
Strong ★★★
Year: ESSA
2023
Average Effect Size: ESSA
+0.17
# of Studies
1
Grade
Race / Ethnicity
Black
White
Skill
Multiple
Intervention Type
Whole Class (Curriculum)
Print & Technology
WWC
Year: WWC
2007
Rating: WWC
+7
# of Studies
1
Population
All Ability Levels
Grade
Race / Ethnicity
Black
Hispanic
White
Time: Minutes per Day
15
Time: Days per Week
5

Waterford Early Reading Level One

Current evidence

https://ies.ed.gov/ncee/wwc/InterventionReport/541

Intervention
🖳
Skill
Print Knowledge
Intervention Type
School-Level
WWC
Year: WWC
2017
Rating: WWC
+12
# of Studies
2
Population
All Ability Levels
Grade
Race / Ethnicity
Black
Hispanic
White
Time: Minutes per Day
90
Time: Days per Week
4

Success for All

Current evidence

https://ies.ed.gov/ncee/wwc/InterventionReport/672

Skill
Reading Fluency
Program
Intervention Type
School-Level
WWC
Year: WWC
2017
Rating: WWC
+9
# of Studies
8
Population
All Ability Levels
Grade
Race / Ethnicity
Black
Hispanic
White
Time: Minutes per Day
90
Time: Days per Week
4

Success for All

Current evidence

https://ies.ed.gov/ncee/wwc/InterventionReport/672

Skill
Alphabetics
Program
Intervention Type
School-Level
ESSA
Rating: ESSA
Strong ★★★
Year: ESSA
2023
Average Effect Size: ESSA
+0.17
# of Studies
6
Population
Struggling Readers
English Language Learners
Grade
Race / Ethnicity
Black
Hispanic
Skill
Multiple
Program
Intervention Type
Individual
Small Group
Print Only
WWC
Year: WWC
2007
Rating: WWC
+30
# of Studies
2
Population
Struggling Readers
Beginning Readers
Grade
Race / Ethnicity
Asian
Black
Hispanic
White
Time: Minutes per Day
10-20

Stepping Stones to Literacy

Current evidence

https://ies.ed.gov/ncee/wwc/InterventionReport/484

Skill
Alphabetics
Intervention Type
Small Group
WWC
Year: WWC
2010
Rating: WWC
+21
# of Studies
2
Population
English Language Learners
Grade
Time: Minutes per Day
90
Skill
Multiple
Program
Intervention Type
Whole Class (Curriculum)
Print Only
WWC
Year: WWC
2010
Rating: WWC
+19
# of Studies
2
Population
All Ability Levels
Grade
Race / Ethnicity
Black
White
Time: Minutes per Day
90

Reading Mastery

Current evidence

https://ies.ed.gov/ncee/wwc/InterventionReport/418

Skill
Reading Fluency
Program