Educator Resources

RefSeek's guide to the 25 best sites for free teacher resources. Listed sites offer lessons, classroom activities, collaboration tools, and printouts for free though most require account registration.

    Multimedia resource library for parents and educators of kids in grades 6-12.
  • American Association of Chemistry Teachers
    Labs, animations, and resources for chemistry teachers. Reasonable annual subscription required. - Subscription Required
  • Better Lesson
    Free, comprehensive lesson plans covering critical subjects for grades K-12.
  • CK-12
    Time-saving teaching tools and free textbooks for K-12 educators.
  • Ed Helper
    Worksheets and teacher resources organized by subject matter and grade. - Grades: K-9
  • EdShelf
    Socially-curated directory of educational websites, mobile apps, and desktop programs. - Grades: K-12
  • EDSITEment
    Lesson plans and teaching resources for humanities education. - Grades: K-12
  • Education World
    Worksheets, lesson plans, templates, daily columns, and other content for educators. - Grades: K-12
  • Edulastic
    Standards-aligned system for assessments, assignments, and progress monitoring.
  • Edutopia
    Educational content, activities, and ideas plus advice for parents and teachers. - Grades: K-12
  • Exploratorium
    Engaging content that explores the world through science, art, and human perception.
  • Freckle
    Differentiated instruction across math, ELA, social studies, and science. - Grades: K-9
  • Google Classroom
    Free platform for creating, distributing, and grading assignments using Google Cloud.
  • HippoCampus
    Multimedia lessons and course materials for students in middle school through college.
  • Inside Mathematics
    Exceptional video lessons and worksheets aligned to the Common Core standards.
  • Khan Academy Kids
    Free lessons, printables, remote learning support, and weekly planners. Sorted by grade level.
  • KidsKonnect
    Library of printable worksheets for teachers and homeschoolers across all subjects.
  • Learning A-Z (Subscription)
    Broad selection of literacy curriculum materials for grades K-5. Free samples available. - Grades: K-6
  • National Center for Families Learning
    Free resources to meet different literacy and education challenges sponsored by the DOE.
  • National Geographic: Resource Library
    Exceptional collection of educational materials sorted by topic, format, and grade.
  • Open Educational Resources
    Network where teachers and professors can access and share course materials.
  • OpenLearn
    Free access to thousands of Open University courses, interactives, and videos.
  • PBS Learning Media
    Standards-aligned classroom materials for PreK-12 education. - Grades: K-12
  • PhET
    Interactive science and math simulations with complementary video primers and teaching tips.
  • Reading Rockets
    Research-based strategies for helping young children become strong, confident readers.
  • ReadWriteThink
    Lesson plans, interactives, and professional development resources. - Grades: K-12
  • Scholastic For Teachers
    Lesson plans, student activities, and video clips for teachers. - Grades: K-12
  • Seesaw
    Well-designed classroom management platform. Interactive activities and background assessments.
  • Smithsonian Science Education Center
    K-12 learning modules, STEM curriculum, and professional development resources.
  • Super Teacher Worksheets
    Printable worksheets and activities for teachers, parents, tutors, and homeschool families. - Grades: K-6
  • SuperSTAAR
    Science teaching and assessment resources from Baylor College of Medicine.
  • Teacher Vision
    Classroom-ready lesson plans, printables, and resources. - Grades: K-12
  • Teachers First
    Collection of lessons, units, and web resources in a user-friendly and ad-free format.
    Social tools, lesson plans, and an advice column for teachers.
  • Teachnology
    Online resources for educators including worksheets, lesson plans, rubrics, and more. - Grades: K-12
  • TED Ed
    Build a lesson around a video. Select from TED-Ed Originals, TED Talks, or YouTube videos. - Grades: K-12
  • Vision Learning
    In depth modules on a range of science, technology, engineering, and mathematics topics.
  • WNET Education
    Lesson plans, classroom activities, multimedia, and links to curriculum-based sites.
  • Word Wall
    Create interactive quizzes, match ups, word games, and more.
  • Zearn
    800+ digital lessons organized by curriculum and grade-level assessment.

Professional Development


  • ClassDojo
    Classroom communication and collaboration app connecting teachers, parents, and students. - Grades: K-12
  • Flipgrid
    Unique video discussion platform. Ask and answer questions within dedicated communities.
  • Kahoot
    Free classroom learning platform with games, study tools, and premium educational content.
  • Quizizz
    Find and create free gamified quizzes and interactive lessons for students.
  • Socrative
    Activities and quizzes designed to give immediate insight into student understanding. - Grades: K-12, Classroom Management


  • Brainscape
    Browse flashcards sets or create your own and share them with students.
  • Quizlet
    Explanations, flash card sets, and an AI learning assistant designed for study sessions. - Grades: K-6