SUPPLEMENTAL & INTERVENTION / GRADES PreK–12

Imagine Sonday System
Discover a proven structured literacy system that delivers the rigor of Orton-Gillingham instruction without the traditional implementation burden
Orton-Gillingham that works in real classrooms
Imagine Sonday System helps educators deliver consistent, high-quality structured literacy instruction across Tiers 1, 2, and 3 — no extensive training or complex implementation required.
See how structured literacy can work across your entire system
Supplemental Instruction
Tier 1 supplemental foundational skill building
Our PreK–5 literacy solutions provide daily instruction and spiral review to build foundational skills, strengthen confidence, and support long-term reading success.
Explore supplemental solutions with Imagine Sonday System
Comprehensive Intervention
Tier 2 and Tier 3 small group or 1:1 structured intervention
Imagine Sonday System’s intensive, teacher-led solutions offer daily intervention lessons and spiral review of foundational reading and writing skills that progress with students.
Explore intervention solutions with Imagine Sonday System
Decodable Readers

Engaging fiction and nonfiction texts support readers at every level
Imagine Sonday System Readers 1 and 2 include skill-based readers, chapter-style texts, and activity guides that reinforce phonics instruction through connected reading. Paired with Hi-Lo Readers, classic literature adaptations, and partner titles like PhonicBooks, the collection supports decoding, fluency, and comprehension for beginning and older striving readers.
Expand your decodable reader library
Imagine Sonday System combines ease of use and measurable outcomes
Implementation and Support Services
Support for every stage of the learning journey
Onsite and Online
Professional Learning
Quickly empower educators to use Imagine Sonday System after just one interactive, hands-on training day.
Coaching and Online Courses
Ongoing Support
Imagine Learning experts help improve outcomes and increase instructional fidelity with ongoing support.
Onsite and Open Enrollment Online
Science of Reading Training
See how to implement effective literacy instruction with embedded science of reading activities to identify instructional needs, intervene, and help readers advance.











