mCLASS:Reading 3D’s benchmark reading record assessment consists of carefully selected Rigby titles, published by key partner and leading educational partner Harcourt Achieve.

As shown in the ELD Text and Reading Comprehension (TRC) measure to the right, by simply tapping the screen the teacher can categorize an error as a substitution, insertion, omission, or told.

TRC also features additional optional tasks – Oral Comprehension, Writing Comprehension, and Retelling - to help the teacher measure the student's level of understanding of each passage.