An initiative aimed at raising student achievement doesn't give students enough practice with foundational skills, some say.

Linear lists, strings, arrays, and orthogonal lists. Trees and graphs. Storage systems and structures. Storage allocation and collection. Multilinked structures. Symbol tables, searching and sorting ...

your comprehension will depend a lot on your familiarity with the sentence structure of written language—its syntax—which is far more complex than that of spoken language. With math ...