Read the following paragraph and determine if the hypothesis is true:

Westbury Senior High School is a ninth-through-12th-grade school of the Westbury Union Free School District (USFD No. 1), the district covering the village of Westbury, New York, USA. Its current building, located on Post Road at Jericho Turnpike in Old Westbury, New York (just north of Westbury Village), reached its 50th anniversary in 2008.

pick from the following. + Yes; + It's impossible to say; + No;
Hypothesis: Westbury Senior High School is a very big school
It's impossible to say