A Spanish and English literacy curriculum grounded in the Science of Reading
Discover a suite of Spanish literacy curriculum and assessment programs designed to build confident readers with mCLASS® Lectura, èßäAV Caminos, and Boost Lectura. èßäAV’s biliteracy suite includes assessment, core instruction, and personalized learning built on the Science of Reading.

mCLASS Lectura assessment
mCLASS Lectura is a Science of Reading-based universal and dyslexia screener for K–6 that helps educators accelerate students’ literacy in Spanish. When combined with mCLASS DIBELS® 8th Edition, it’s the only assessment offering a dual language instructional report that enables teachers to identify skills students can transfer across languages.
èßäAV Caminos core curriculum
When combined with èßäAV Caminos, mCLASS Lectura helps you provide targeted whole-class instruction specific to your class’s or students’ risk levels and areas of growth for Spanish literacy.
Boost Lectura personalized learning
mCLASS Lectura drives placement into Boost Lectura, our personalized learning program, placing students on a skill map that meets them at their instructional level.
èßäAV Caminos
core curriculum
èßäAV Caminos is a K–5 Spanish language arts curriculum that helps teachers inspire students to become confident readers, writers, and thinkers in Spanish. Grounded in the Science of Reading and following biliteracy principles, the program combines rich content knowledge with systematic foundational skills instruction.

èßäAV Caminos provides strong core instruction in the same critical literacy skills measured in mCLASS Lectura, helping align your assessment and core instruction.
Boost Lectura personalized learning
èßäAV Caminos and Boost Lectura are grounded in the same evidence-based Spanish literacy skills progression, reinforcing skill development through personalized practice.

Boost Lectura personalized learning
Boost Lectura is a K–2 personalized Spanish literacy program with proven efficacy that focuses on key accelerants of critical literacy skills. Boost Lectura offers a highly adaptive, student-led approach to personalized learning that’s instructive and engaging. Boost Lectura also fits in any classroom model, allowing for easy integration without disrupting routines.
Boost Lectura uses mCLASS Lectura’s data for student placement, providing practice with the skills students need the most.
èßäAV Caminos core curriculum
Boost Lectura expands on the learning experience from èßäAV Caminos, delivering personalized practice to support foundational skill development.
Built on principles that honor biliteracy
Biliteracy opens the door to rewarding learning opportunities for students. èßäAV is committed to biliteracy development and empowering educators in fostering great teaching and learning experiences. , the foundation of our biliteracy suite, for insights into how bilingual literacy develops.
Explore more programs based on the Science of Reading.
Our English early literacy suite programs are also designed to support and complement each other. Learn more about integrated programs below.