An on-demand course platform for educators implementing the Units of Study—designed by the authors you trust.
Mossflower Learning is The Reading & Writing Project at Mossflower’s new on-demand learning platform for teachers, coaches, principals, and literacy leaders. Each course offers quick, practical, classroom-ready implementation support you can return to on your schedule, at your pace.
Why Mossflower Learning?
Practical Support from the Authors You Trust: Each course is created and led by Mossflower Staff Developers and authors of the Units of Study. You’ll receive brief, focused, unit-by-unit guidance that helps you prioritize what matters most.
Designed for Individual Educators: These courses are built for individual purchase and use—perfect for teachers and leaders who want direct access to expert implementation support.
Flexible, Year-Long Access: Access this resource at the moment when you need it most and learn at your own pace. Plan ahead to get support at the start, or mid-unit. You’ll have 365 days of access from the date of purchase.
Earn Clock Hours: Upon completion of each 5-hour course, you’ll receive a certificate of completion via email documenting your clock hours.

Courses Available at Launch
Units of Study in Reading
Kindergarten Units of Study in Reading
Grade 1 Units of Study in Reading
Grade 2 Units of Study in Reading
Grade 3 Units of Study in Reading
Grade 4 Units of Study in Reading
Grade 5 Units of Study in Reading
Units of Study in Writing
Kindergarten Units of Study in Writing
Grade 1 Units of Study in Writing
Grade 2 Units of Study in Writing
Grade 3 Units of Study in Writing
Grade 4 Units of Study in Writing
Grade 5 Units of Study in Writing
Coming Soon: Expanded literacy courses beyond the Units of Study.
What You’ll Find Inside Each Course
Every grade-level package includes a PD overview of each unit of study within that grade. In these videos, Mossflower Staff Developers and authors provide:
The big goals and essential understandings of the unit
Key teaching moves and instructional priorities
Practical planning guidance you can use right away
Differentiation strategies to support all learners
Tips for pacing and preparing materials
We recommend viewing each lesson a few weeks before launching the corresponding unit. Keep your Units of Study materials nearby and take notes as you plan.
How It Works
Choose and purchase your grade-level package for either reading or writing.
Learn at your own pace for 365 days.
Complete the course and receive your certificate.
What Educators Are Saying
“This course helped me see the arc of the unit so clearly. I felt prepared before I even began teaching.” — Kindergarten Teacher
“Exactly the kind of practical support I need during the school year.” — Grade 3 Teacher
“It felt like having a staff developer planning alongside me.” — Literacy Coach
FAQs
Who are these courses designed for?
Individual teachers, literacy coaches, principals, and school leaders implementing the Units of Study. These courses are not intended for group or schoolwide consumption under a single purchase.
How long do I have access?
How do I receive my certificate?
How long does each course take?
Do I need the Units of Study materials?
Will other topic-specific packages be available?
Ready to Strengthen Your Instruction?
Get the clarity and implementation support you need—on your schedule.
Need additional PD?
Explore all of our Professional Development or schedule a call to talk to a Mossflower team member.