Offhand, I can't recall the show ever stating he actually did, but presuming he did, he was 18 in 1984 according to Meet the Quagmires so he graduated in either 1983 or 1984.
Peter Griffin-Father, Husband, Brother
High school students who are about to graduate
Laguardia High School
James Woods High
No.
James Woods High.
Lando Griffin
Sacred Heart-Griffin High School was created in 1988.
yes griffin high school is a great school and its way better than any other school
No, she didn't graduate high school. She has admitted she is a high school dropout. She does have her GED.
Is John McCin a high school graduate
Peter Griffin-Father, Husband, Brother
Yes, he did graduate from high school. He graduated from Cleveland Central High School.
You need to graduate university not high school to get a degree
95 % graduate from catholic high school.
Yes- photos of that have been leaked online.
The motto of Cardinal Griffin Catholic High School is 'Da Mihi Animas'.