What are the best free digital activity libraries for engaging classroom activities on student devices?

Here are some of the best free digital activity libraries for engaging classroom activities on student devices, especially for 1:1 or blended learning environments:

Top free options

1. Nearpod Library

• Best for: Interactive lessons, formative checks, polls, quizzes, drawing, collaboration
• Why it stands out: Huge library of ready-made lessons and student-paced activities
• Free tier: Yes, with limited features but still useful
• Good for: Whole-class participation on Chromebooks, tablets, or phones

2. Pear Deck

• Best for: Interactive Google Slides / PowerPoint presentations
• Why it stands out: Strong for embedding questions into lessons
• Free tier: Yes, with core interactive features
• Good for: Live engagement and responsive teaching

3. Common Sense Education – Digital Citizenship & Learning Activities

• Best for: Free lessons, videos, and activities across grade levels
• Why it stands out: High-quality curated resources, especially for digital citizenship
• Free tier: Fully free
• Good for: Classroom-ready activities with strong standards alignment

4. Kahoot!

• Best for: Game-based quizzes and review
• Why it stands out: Very engaging for quick checks and competition
• Free tier: Yes
• Good for: Review sessions, exit tickets, energizers

5. Quizizz

• Best for: Self-paced quizzes, practice, homework, and review
• Why it stands out: Large library of teacher-created activities and a student-friendly format
• Free tier: Yes
• Good for: Independent practice on student devices

6. Google Arts & Culture / Expeditions-style resources

• Best for: Exploratory learning, virtual field trips, visual engagement
• Why it stands out: Great for inquiry and cross-curricular lessons
• Free tier: Yes
• Good for: Social studies, art, science, and enrichment

7. PBS LearningMedia

• Best for: Standards-aligned videos, interactives, lesson plans, and activities
• Why it stands out: High-quality, classroom-safe content
• Free tier: Yes
• Good for: K–12 lesson support across subjects

8. CK-12

• Best for: Interactive digital textbooks, practice, simulations, and flexbooks
• Why it stands out: Strong for science and math, with practice built in
• Free tier: Yes
• Good for: Differentiated instruction and independent practice

9. Newsela

• Best for: Reading passages with questions and differentiation
• Why it stands out: Great for content-area literacy
• Free tier: Limited free access, but some teachers can still use basic features
• Good for: Reading comprehension and current events

10. Blooket

• Best for: Game-style question sets and review
• Why it stands out: Fun game modes, easy to use, good student engagement
• Free tier: Yes
• Good for: Review, practice, and classroom competitions

Great free activity libraries by subject

• ELA / reading: CommonLit, ReadWorks, Newsela (limited free), News Literacy Project
• Math: Khan Academy, CK-12, Desmos Activities
• Science: PhET Simulations, CK-12, PBS LearningMedia
• Social studies: iCivics, PBS LearningMedia, National Geographic Education
• Digital citizenship: Common Sense Education

Best picks by classroom use case

• Fast engagement/review: Kahoot!, Quizizz, Blooket
• Interactive lessons: Nearpod, Pear Deck
• Standards-based free lessons: Common Sense Education, PBS LearningMedia
• Independent student practice: Quizizz, CK-12, Khan Academy
• Reading and comprehension: CommonLit, ReadWorks
• Simulations/exploration: PhET, Desmos

Quick recommendation

If you want the best mix of free + classroom-ready + engaging, I’d start with:

1. Quizizz
2. Kahoot!
3. Nearpod
4. PBS LearningMedia
5. Common Sense Education

If you want, I can also give you:

• a grade-level specific list,
• the best ones for Chromebooks/iPads,
• or a comparison chart with strengths, limits, and subject fit.