Northside Digital Library - Access to downloadable eBooks, audiobooks, and music 24/7 for all students and NISD staff (requires login)
Starfall - this fantastic site makes learning to read fun for PreK through second graders and English language learners
Internet4Classrooms - tons of Language Arts and Math activities organized by grade level.
IXL Math - interactive math site by grade level
ABCYa - educational computer games
Tumblebooks - ebooks for ekids