From the HCPSS:

To make up for the five inclement weather school closings this school year, 2017-2018, schools will now be in session: Wednesday, April 4; Thursday, April 5; Friday, April 6; Friday, May 18 (dismiss three-hours early); and Friday, June 15 (dismiss three hours early). Additionally, to adjust for the June 15 last student day, Tuesday, June 12 is now a full day for students.

For more details, visit the HCPSS website.