Alert Icon Kitten peeks from hardhat

Important Notice

CPO will be unavailable on Sunday, April 29th, 2018 beginning at 8:00 am CT for maintenance. The site is expected to be available by 12:00pm CT. We apologize for any inconvenience



LEARN Augmented Reality

Engaging, interactive animations and models leap off the pages of science investigations

CPO Science

Grades 6-12

Innovative and hands-on core and supplemental science curriculum


Grades 3-5

Supplementary science modules that integrate hands-on activities with authentic reading instruction

New users or previous Link to Science users: Register Here