Lumos Learning
CCSS aligned practice tests and sample questions for grades 3-8.
http://lumoslearning.com/llwp/resources/common-core-parcc-practice-tests-and-sample-questions.html
Assessments Next Generation
The purpose of this website is to collect and share free online resources that can be used to help students develop familiarity and proficiency with the technology skills.
http://nextgen.apps.sparcc.org/home
Interactive Practice Typing Sites
http://interactivesites.weebly.com/typing.html
NJ Department of Education - Assessment
http://www.state.nj.us/education/assessment/