The American Association for the Advancement of Science (AAAS): http://assessment.aaas.org
Misconceptions-Oriented Standards-Based Assessment Resources for Teachers (MOSART): https://www.cfa.harvard.edu/smgphp/mosart/index.html
LEARN Quebec: http://www.learnquebec.ca
Banque d’Instruments de Mesure (BIM): http://bimenligne.qc.ca/en/Pages/default.aspx