Bolton High School 2007-2008 Calendar http://boltonhs.tandem.co/ Key dates for Bolton High School. en-us 5/9/08 ACT Registration Deadline http://boltonhs.tandem.co/index.php?type=key_date&action=details&id=135 135-boltonhs@intand.com 5/14/08 1/2 Day for Students http://boltonhs.tandem.co/index.php?type=key_date&action=details&id=134 134-boltonhs@intand.com 5/20/08 1/2 Day for Students http://boltonhs.tandem.co/index.php?type=key_date&action=details&id=132 132-boltonhs@intand.com 5/21/08 1/2 Day for Students http://boltonhs.tandem.co/index.php?type=key_date&action=details&id=133 133-boltonhs@intand.com 7/23/08 Counselors Return to Work http://boltonhs.tandem.co/index.php?type=key_date&action=details&id=137 137-boltonhs@intand.com