What is it?
The Mailbox Plus supports PreK–Grade 6 educators with 54,000+ teacher-created resources—including worksheets, activities, games, and crafts—designed to simplify lesson planning, boost engagement, and build key skills across core subjects.
Why it's great
Standards-aligned, ready-to-use resources
Access 54,000+ expertly crafted worksheets, activities, and lesson plans—organized by grade and subject to save time and support effective instruction.
Powerful planning and customization tools
Build and personalize lessons with ease using our intuitive tools, including a lesson plan builder and printable flashcards, word lists, and more.
Unlimited access, anytime, anywhere
One subscription gives your entire school or district 24/7 access to all of the resources for every grade—no limits, no seat restrictions. Use it wherever and whenever you plan.
Teaching and learning tools
Lesson Plan Builder
Quickly create personalized lesson plans for key math and literacy skills. Each plan includes an introductory activity, guided practice, independent practice for three ability levels, and an assessment.
Make & Print Tools
Create your own flash cards, desk tags, spelling lists, and bingo boards in various sizes, with customized art and text. Print awards, create newsletters, make checklists, and more.
New Monthly Content
Every month, new activities and worksheets are added for each grade, featuring skills students need at that time of the year. Handy, seasonal forms to support effective classroom management are also included.
The Mailbox Plus is a lifesaver—whether I need a quick activity, a full lesson, or just inspiration, it’s all there and ready to go. It’s like having a master teacher in my back pocket.”
Mrs. Moore, 2nd Grade Teacher
Complementary solutions
Take a closer look
Have questions? Want to see a demo? Connect with an expert however you like: email, phone, video, or in person.
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