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kids sitting in a class room and using mobile

Updated on May 21, 2026

11 minute read

What the Data Says About Phones and Social Media

Emily Oster, PhD

A kid playing in the monkey ladder
In the news

Updated on May 14, 2026

2 minute read

How Much Recess Do Kids Need?

Emily Oster, PhD

A phone with colored pencils
In the news

Updated on Apr. 9, 2026

8 minute read

Did Smartphones Cause Global Test Score Declines?

Emily Oster, PhD

One kid teaching 4 other kids

Updated on Mar. 4, 2026

2 minute read

What’s the Data Behind Dual Language Immersion Programs?

Emily Oster, PhD

Kids in school looking at tabs.

Updated on Oct. 16, 2025

7 minute read

Are Classroom Screens Good for Learning?

Emily Oster, PhD

kids standing and wearing school uniforms

Updated on Oct. 14, 2025

2 minute read

Are School Uniforms a Good Idea?

Emily Oster, PhD

Kids in a classroom play with Montessori-style toys.

Updated on Oct. 14, 2025

9 minute read

Is Montessori School Better?

Emily Oster, PhD

Kids reading in a classroom.

Updated on Sep. 19, 2025

8 minute read

Do Classroom Rewards Improve Behavior?

Emily Oster, PhD

A teacher teaching kindergarten kids in a classroom.

Updated on Sep. 16, 2025

9 minute read

Has Kindergarten Gotten More Academic?

Emily Oster, PhD

Kids writing in school.

Updated on Aug. 8, 2025

9 minute read

Why We Still Need Test Score Data

Emily Oster, PhD

Four children smiling and jumping with hands raised into the air.

Updated on Apr. 13, 2025

8 minute read

What Does Matter for Childhood Outcomes?

Emily Oster, PhD

Twin kids sitting on a rock by the lake.

Updated on Apr. 9, 2025

3 minute read

Should I Put My Twins in Separate Classrooms?

Emily Oster, PhD

ParentData podcast art

Updated on Feb. 25, 2025

11 minute read

Part One: Kids, Screens, and Schools (Podcast)

Emily Oster, PhD

ParentData podcast art

Updated on Feb. 25, 2025

22 minute read

Every Kid is a Math Kid (Podcast)

Emily Oster, PhD

Children doing crafts with teacher in class.

Updated on Feb. 18, 2025

9 minute read

Should I Redshirt My Kindergartener?

Emily Oster, PhD

Teen boys at school

Updated on Feb. 3, 2025

9 minute read

Why Adolescent Boys Are Struggling

Christopher Pepper