NEWARK, Del. (WPVI) -- Saint Mark's High School is celebrating its 50th Anniversary.
The Newark school first opened its doors on this day, 50 years ago.
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Monday, students and staff held a "first day" party.
There were all types of activities like water balloon tosses, a big game of tug-of-war.
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This is just part of a series of events marking the occasion throughout the year.