Question: Where was Dean Hargrove's high school located?

Context articles: Oyster River High School
Milton High School (Wisconsin)
St. John's Military School
Dean Hargrove
Valley Torah High School
Elizabeth Forward High School
Craigslea State High School

Oyster River High School (ORHS), part of the Oyster River Cooperative School District (ORCSD), is a public high school located in Durham, New Hampshire, United States, with an enrollment of about 700 students.
 It serves Durham and the neighboring communities of Lee, Barrington, and Madbury.
 The high school opened and the first graduating class was in 1956.
 Dean Sackett was the Chairman of the School Board, Arthur E. Toll was the Superintendent of Schools, John H. Day was Principal, and George W. Pasichuke was the Associate Principal.
 The school yearbook is named Trion, named by Margaret Campbell in a school-wide contest.
 The high school moved to its present site on October 22, 1964.
Milton High School is a public high school located in the small town of Milton, Wisconsin with a population of approximately 5,588 people.
 Milton High School has about 80 staff members and 1040 students with graduating classes of 250 students.
 Jeremy Bilhorn is the Principal at MHS.
 Mrs. Tara Huber is Associate Principal, Bob Johnson is Dean of Students, Brian Hammil, the former boys basketball coach, is the new Activities Director taking over for the retiring Jim Johnson.
St. John's Military School, located in Salina, Kansas, is a private boarding military school for male students from grades 6 to 12.
 It aims to develop students' academic and leadership skills in a "military environment" overseen by a President, Academic Dean and Commandant of Cadets.
 It has the capacity for approximately 220 students.
Dean Hargrove (born July 27, 1938 in Iola, Kansas) is an American television producer, writer, and director.
 His background includes graduating the St. John's Military School and attending the UCLA Film School as a graduate student.
 He specializes in creating mystery series.
 He frequently works with television producer Fred Silverman and television writer Joel Steiger.
Valley Torah High School is an Orthodox Jewish high school located in Valley Village, California, a northern suburb of Los Angeles.
 The school has two separate divisions: a Boys Division, and a Girls Division.
 The current Dean and Rosh Yeshiva is Rabbi Avraham Stulburger.
 The Boys Division Principal is Rabbi Dovid Felt and their General Studies Principal is Dr. Eliezer Jones.
 The Girls Division Principal is Mrs. Sheindy Gross and their The General Studies Principal is Mr. Randy Rutschman.
Elizabeth Forward High School is a midsized suburban, four-year comprehensive public high school located in Elizabeth, Pennsylvania, as part of the Elizabeth Forward School District.
 There are over 80 faculty members including a School Psychologist, three Guidance Counselors, and a full-time School Nurse on staff.
 The Assistant Principal is Mr. Anthony Pascarella, and the Dean of Students is Ms. Mary C. DeFrancesco.
Craigslea State High School is a public secondary school located in Chermside West in the northern suburbs of Brisbane, Australia.
 The school first opened in 1975 and was officially opened in 2000 by the honourable Dean Wells.
 The school is situated next door to Craigslea State Primary School and some facilities, such as the swimming pool, are shared between the two schools.