Plainfield High School (abbreviated PHS) in Plainfield, Indiana, United States.

In March 2008, the school hosted then-democratic candidate for president Barack Obama as he spoke during his run for presidency.

[3] Plainfield is a part of the Mid State Conference.

They compete under the name "Quakers" (or Lady Quakers) and the school colors are scarlet and royal blue.

The following IHSAA sports are offered at Plainfield (Unless marked there are separate boys and girls teams):[4]