For Preliterate Through First-Grade Reading Levels 

Phonics Concentration on Consonants and Short Vowels 

Supports a 5-step process: 

1. Develop phonemic awareness and phonics skills. 
2. Build vocabulary through a 7-step instruction and practice sequence. 
3. Increase reading comprehension, fluency, and content knowledge. 
4. Use writing to expand and reinforce literacy. 
5. Compile assessment data to inform instruction. 

Hands-on tools include picture card sheets, frieze cards, and letter card sheets. 

Also available in Spanish

ESL Level 1

ESL Level 2

For Second- Through Third-Grade Reading Levels 

Phonics Concentration on Blends, Long Vowels, Digraphs,
and Syllables 

Supports a 5-step process: 

1. Develop phonemic awareness and phonics skills. 
2. Build vocabulary through a 7-step instruction and practice sequence. 
3. Increase reading comprehension, fluency, and content knowledge. 
4. Use writing to expand and reinforce literacy. 
5. Compile assessment data to inform instruction. 

Hands-on tools include picture card sheets, frieze cards, and letter card sheets. 

Also available in Spanish 

ESL Level 3

ESL Level 4

For Older English Learners and At-Risk Students Needing Intensive Foundational 
Literacy and Language Development Support  

Accelerates progress through the intermediate reading levels 

Covers reading levels M-R across the units  

Comprises all three tiers of vocabulary and word study skills 

Builds process-writing skills and academic oral language 

Hands-on tools that include picture card sheets, frieze cards,
and letter card sheets 

Online subscriptions that include interactive eBooks and digital Teacher’s Guides and Cards 

Proven Success for Older Students Reading at Primary Levels 

In a research study presented at the TESOL conference, Grades 6-10 newcomers progressed an average of 6.2 reading levels after using RIGOR for less than one school year in their classes.

MARGARITA CALDERÓN, Ph.D. 
RIGOR was developed by Margarita Calderón, Ph.D., based on her studies of English-language acquisition and her work with middle and high school teachers of English learners in New York City’s public schools. Dr. Calderón is Professor Emerita at Johns Hopkins University School of Education and is the author of Teaching Reading to English Language Learners, Grades 6-12. 

Fully interactive and customizable eBooks engage students for digital or in-person instruction. 

Digital texts provide opportunities for all students to experience deep, meaningful reading experiences.

• Annotation tools empower students to highlight and underline text, add virtual sticky notes, and write in margins, increasing comprehension and building the reading/writing connection.​
• eBooks feature audio narration accompanied by word-by-word highlighted text, to assist striving readers. ​
• Customizable pages enable teachers to embed videos, create graphic organizers, and track student progress.