Syncing the school calendar with your iphone/ipad.
From the New Horizons web site go to the calendar page and click on the calendar icon in the lower left.
Then after getting into google calendar click on settings > calendar details then click on the ical link.
The iphone should then ask if you want to subscribe.
Say yes and it will be added.
The events show up at the top of the page because they were entered as full day events.