Yes, William's High School is a compound proper noun.
A compound noun is two or more words combined to form a noun with a meaning of its own. William's High School is an open spaced compound noun.
A proper noun is the name of a person, place, or thing. William's High School is the name of a school.
T. C. Williams High School was created in 1965.
Archbishop Williams High School was created in 1949.
Williams Field High School was created in 2007.
Cadillac Williams went to school at Cartersville High School with Ronnie Brown. Cartersville High School is in Georgia
She was home schooled for high school.
Archbishop Williams High School's motto is 'The love of Christ drives us on'.
DeAngelo Williams attended Wynne High School in Arkansas.
The possessive form for the compound noun high school is high school's.
The motto of Walter M. Williams High School is 'Learners today, Leaders tomorrow'.
Katt Williams graduated from high school in 1990. He attended the Hollywood High School, where he completed his education before pursuing a career in comedy.
He wrestled in elementary and middle school but not in high school.
herbert hoover high school