IN CELEBRATION of National Youth Art Month, the Portland Museum of Art in collaboration with the Maine Art Education Association has organized an exhibition of artwork created by Maine art students. This year celebrates the 34th anniversary of Youth Art Month exhibitions in Maine and the 20th annual exhibition at the museum. The PMA’s exhibition, on view from Saturday through April 6, will showcase more than 100 works of art by students throughout the state, from elementary school through high school. All participating students will receive certificates of recognition. An exhibition celebration will be held from 4 to 7:30 p.m. Saturday at the museum.