NASA
NASA STEM Resources
Free STEM lessons, activities, multimedia, and educator resources — Biology • Chemistry • Physics • Earth Science • Engineering — platform free
ClassCandid catalog
Named programs are organized for reviews—not provider rankings. Official product links are available on each review page.
Showing 81–100
Most reviewed first; programs with the same review count are alphabetical.
NASA
Free STEM lessons, activities, multimedia, and educator resources — Biology • Chemistry • Physics • Earth Science • Engineering — platform free
National Constitution Center
Classroom resources, interactive Constitution materials, lesson plans, and civic learning tools — Civics • Government • US History — curriculum platform free
Nearpod
Interactive lessons with formative checks, multimedia, and teacher-paced or student-paced delivery — Reading • Algebra • Biology • Chemistry • Physics — platform assessment
Newsela
Leveled nonfiction content with assignments, quizzes, and reading data — Reading • Writing • Literature — platform assessment
Newsela
Leveled science content with assignments, quizzes, and instructional supports — Biology • Chemistry • Physics • Earth Science — platform assessment
Newsela
Leveled nonfiction content and instructional activities that support social studies topics and source literacy — US History • World History • Current Events • Civics — platform assessment
Otus
Assessment, gradebook, and learner-profile platform — Reading • Algebra • Biology — assessment platform
Padlet
Collaborative digital boards for discussion, curation, student work, and formative responses — Reading • Writing • Algebra • Biology — platform
PBS
Free standards-aligned videos, lessons, interactives, and classroom resources — Reading • Algebra • Biology • Chemistry • Physics — platform free
Pear Deck
Interactive slides, formative prompts, and teacher feedback during lessons — Reading • Algebra • Biology • Chemistry • Physics — platform assessment
Pear Assessment
Student-practice and assessment activities with educator data tools — Reading • Algebra • Biology — platform assessment
PowerSchool
Assessment administration and data analysis — Reading • Algebra • Biology — assessment platform
University of Colorado Boulder
Free interactive simulations for science and mathematics concepts — Algebra • Physics • Chemistry • Biology — platform free
Prodigy
Game-based adaptive math practice and teacher progress data — Algebra • Geometry — platform assessment
QuaverEd
Elementary health and physical-education curriculum with ready-made lessons, music and media resources, and customizable instruction.
Learning A–Z
Student-facing digital leveled library with listening, reading, recording, comprehension quizzes, teacher assignments, and reports — Reading • Literature — platform assessment
Learning A–Z
Blended K–5 literacy platform combining teacher-led resources, digital independent practice, foundational-skills instruction, placement tools, and progress monitoring — Reading • Writing • Literature — platform curriculum assessment
Learning A–Z
Raz-Plus add-on with differentiated reading, listening, speaking, and writing resources organized by content area for multilingual learners — Reading • Writing • Literature — platform intervention
Read Naturally
Web-based reading-fluency intervention combining modeled reading, repeated reading, comprehension checks, and teacher progress monitoring — Reading — platform intervention assessment
Learning A–Z
Teacher-led literacy resources for foundational skills, fluency, comprehension, vocabulary, and differentiated reading instruction — Reading • Writing • Literature — curriculum platform