- School Library Catalog - Walter Hays' portal to PAUSD library catalog.
- LibGuides - PAUSD curriculum resource.
- Palo Alto City Library.
- The Kidalog - Walter Hays Library's list of fiction titles for finding the perfect book
- International Children's Digital Library - A digital library of outstanding children's book from around the world.
- Ask an Expert: Experts, Astronomers to Dog Trainers, answer your questions
- Student Games - Bridges Math.
- Mad Scientist Network: Answers, Activities, Archived information, Ask questions, Science at your Fingertips.