At Archbishop Stepinac High School in White Plains, N.Y., the backpacks got a whole lot lighter this year because nearly every book — from freshman biology to senior calculus — is now digital, accessible on students’ laptops and tablets.
Lost weight and a book bill that dropped from $600 to $150 were not the main reasons the all-boys Roman Catholic school north of New York City went all-in on digital textbooks.
Except for books on religion, all texts the school uses are part of a digital bookshelf kept on an Internet cloud.
‘‘We went to digital because it makes for better learning,’’ said Frank Portanova, Stepinac vice principal. Full story for BostonGlobe.com subscribers.