NYS Science Performance Assessment – Grades 4 & 8 September 22, 2017 by HVS HVS A A A Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: May 23, 2018 – May 25, 2018 all-day 2018-05-23T00:00:00-04:00 2018-05-26T00:00:00-04:00 Exams/Testing