A listing of those that have left us. “*” after the name, obituary available.
- Adams, Joan C. {Conger} Mulcahey 1935-2023 – Teacher
- Aman, Celestine “Cel” 1926-2016 – Teacher, Principal, Director of Curriculum
- Anthony, Cora Jean Cork 1929-2011 – Teacher
- Anthony, Nick T. 1924-2011 – Principal Plain Center Elementary, William R. Day and GlenOak
- Armour, Susan M. 1954-2016 – Bus Driver
- Baier, Helen Mary 1924-2018 – Teacher
- Barr, Florence 1929-1987 – Teacher
- Belfiglio, Mary 1922-2012 – English GlenOak and Glenwood High School
- Bell, Dr. George 1950-2004 – Guidance Counselor
- Bello, Gerald Jerry 1950-2004 – Counselor
- Bergquist, Linda Kay 1945-2018 – Teacher
- Biclawski, Lisa {DeMatteis} 1976-2022 – Teacher
- Bollas, James 1927-2016 – Teacher, Coach, Librarian Glenwood and GlenOak High School
- Bollas, Nicholas J. 1956-2021 – Coach Speech and Debate GlenOak High School
- Bratschie, Sherry L 1945-2018
- Bricker, Robert 1934-2023 – History Teacher GlenOak High School *
- Budic, Ronald E. 1948-2018 – Coach and English Teacher
- Busse, Barry Lee 1946-2017 – Acting Coach GlenOak High School
- Butorac, Barbara M. {Weber} 1933-2023
- Chase, Fred -2021 – Superintendent
- Ciccarelli, Ralph E. 1941-2021 – Teacher and Coach Oakwood and GlenOak High School
- Clark, Jane L. 1944-2000 – Librarian GlenOak High School
- Commings, Bob 1933-1993 – Football Coach GlenOak High School
- Cope, Edith E. 1908-1993 – Latin Teacher Glenwood and Oakwood High School *
- Cunningham, Eunice {Maiden Name Bender} 1920-1997 – Teacher Edgefield
- Creekus, Angeline “Angie” {Maiden Name Nachies} 1924-2014 – Cosmetology Teacher Oakwood and GlenOak High School
- Cyder, Rick E. 1948-2012 – Teacher GlenOak High School
- Darr, Dorothy I. {Maiden Name Staley} 1915-2009 – Teacher Plain Center School
- Davenport Jr., Harold R. Hal 1931-2020 – Music Teacher
- DiSimone, Marie Theresa {Maiden Name Cugliari} -2012 – Pleasant View School for the Arts Librarian
- DiStefano, Mary B. {Maiden Name Bumes} 1936-2010 – Teacher
- Dolan, Neil R. 1938-1992 – Teacher
- Dunbar, Gordon Richard “Dick” 1923-2015 – Assistant Principal Taft Middle School and GlenOak High School; Principal Middlebranch Middle School
- Duncan, Mary Elizabeth [Whiteford] – Home Economics Middlebranch High School
- Duplin, Kay F. Rastetter 1937-2011 – Assistant Coach Golf
- Dutter, Doris Ream 1916-2005 – Math, Chemistry, General Science and Physics Middlebranch High School
- Ecrement, Elma L. Orwick 1921-1997 – Secretary Glenwood and GlenOak High School
- Edel, John T. 1929-2010 – Chemistry and Math GlenOak High School
- Elges, Erika {Maiden Name Guth} 1913-2008 – Teacher Avondale Elementary School
- Ellsworth, Joseph L. 1941-2000 – Teacher GlenOak High School
- Eschliman, Betty V. {Maiden Name Muse} 1921-2009 – Secretary
- Evans, John G. 1927-2008 – Coach Football and Wrestling Glenwood High School
- Eynon, Dorothea – Commercial Middlebranch High School
- Fernandez, Mary Louise {Maiden Name Cavalier} 1926-2022 – GlenOak High School Cafeteria
- Filicky, Thomas E. 1926-2011 – Vocational Teacher Oakwood and GlenOak High School
- Fowler, Deborah L. 1948-2015 – Coach Softball and Volleyball GlenOak High School
- Galligher, Garry C. 1934-2009 – Custodian Frazier, Oakwood, GlenOak and Barr
- Garbarino, Karen Marie 1938-2022 [Krantz] – Teacher
- Garner, Virgil C. 1924-2007 – Teach Middlebranch School, Principal Plain Center
- Gasper, Doris Eileen {Maiden Name Moore} 1916-2013 – Cook Frazer Elementary School
- Gastin, Alice E. {Lyons} 1937-2017
- Gaume, Richard L. 1942-2019 – Teacher, coordinator and Principal
- Gullo, Frank V. 1925-1991 – Teacher
- Haley, Marilyn – Teacher GlenOak High School
- Hamilton, William J. 1930-2007 – Teacher Music Middlebranch High School, Glenwood High School
- Hamlin, Morgan 1925-2015 – Board of Education Treasurer
- Hanze, Ronald E. 1939-2011 –
- Harding, W. Raymond 1945-2016 – Teacher Taft, Glenwood, GlenOak
- Hart, Donald W. 1938-2000 – Industrial Arts Teacher Middlebranch and GlenOak
- Hawkins E. S. – Superintendent
- Heim David – Math, Science, Chemistry, General Science, Physics and Principal Middlebranch High School
- Heintz, Calvin – Middlebranch High School
- Helmkamp, Jeanine {Maiden Name LaMarche} 1963-2013 – Lunch Lady
- Herzog, Dolly N. {Maiden Name DeJaneiro} 1919-2011 –
- Hill, Doris Avalon {Maiden Name Blake} 1910-2008 – Teacher Art Middlebranch High School, Plain Local Elementary Schools
- Hochstetler, Dorothy Jane Lowe 1927-2023 – Music Teacher *
- Hopton, JoAnne Francis {Lawson} 1936-2017 – Teacher Frazer
- Johnson, Nydia {Maiden Name LeTourneau} 1921-2010 – Teacher
- Kamionka, Sandra K. {Maiden Name Pavkov} 1948-2010 – Teacher Edgefield, Frazer, Pleasant View, Barr and Avondale
- Keller Christine F Faye [Allen] 1934-2018 – Middlebranch Junior High School
- Kerr, George 1909-2005 – Teacher Glenwood High School
- Kessler, Sharon L. {Maiden Name Fasnacht} 1952-2009 – Physical Education and Science Teacher, Pleasant View, Middlebranch and GlenOak
- Kilbreath, Jennifer {Maiden Name Jung} 1955-2012 – Counselor GlenOak High School
- Kinney, Edward 1936-2013 – Coach GlenOak High School
- Klay, Lester 1921-2001 – Physical Education, Science, Biology and Coach Middlebranch High School
- Klide, Sophie P. 1929-2022 – COE Coordinator GlenOak High School
- Kohr, William Morris – Superintendent
- Kramer, Linda 1942-2024 {Maiden Name Toohey} – Plain Center Head Cook *
- Lautzenheiser, Cyle G. 1947-2013 – Bus Driver
- Lehman, Mercie D. {Maiden Name Conrad} – Teacher
- Leuck, Vernon Ford 1925-2012 – Teacher and Coach Glenwood High School, Assistant Principal Taft Junior High School and Glenwood High School
- Lieser, Helen A. {Maiden Name Gallagher} 1914-2011 – Teacher Avondale Elementary School
- Lieser, Richard G. 1927-2014 – Teacher Glenwood and GlenOak High School
- Lijoi, Andrea A. 1928-2013 – Teacher
- Lindower, Vera [Cramer] – Middlebranch High School
- Long, Jerald V. 1944-2017 – Coach Track GlenOak High School
- Long, Robert 1926-2005
- Lothamer, John Louis 1924-2014 – Assistant Principal and Principal Taft, Glenwood, Oakwood, and GlenOak
- Mailat, Joanne M. {Urdea} 1943-2021 – French Teacher Glenwood High School
- McAtee, Diane L. Geese 1946-2009
- McCalmont, Katie Deloris {Mock}1941-2017 Teacher
- McFarren, Leland C. 1923-2010 – Principal, Superintendent
- McFarren, Robert – Business and Coach Middlebranch High School
- McGraw, Daniel “Dan” M. 1952-2014 – GlenOak West
- Mease, William R. 1948-2003 – Teacher Oakwood, Superintendent
- Miller, Hank 1926-2000 – Coach and Teacher
- Miller, Margaret [Peters] – English, Glee Club and Orchestra Middlebranch High School
- Morris, Clyde – Middlebranch High School
- Olenski, Ruthie Ruth Westover 1950-2019 – Warstler, Barr and Middlebranch Middle School
- Osborne, Katharine A. 1916-2019 – Teacher Middlebranch 1941-1957, Plain Center 1957-1981
- Parker, Marlyce Rustad 1946-2012 – Guidance Counselor GlenOak
- Payne, Lucille M. {Cooper} 1921-2018 – Teacher
- Pieper, Thomas – 2024 – Teacher Glenwood, Oakwood, and GlenOak High Schools *
- Raines, Charles Carper 1936-2024 – Teacher Glenwood *
- Rainey, Betty 1926-2023 – Secretary Avondale
- Raymont, Norma Rae [Burchfield] 1927-2018 – Library Oakwood High School
- Reahm, Richard D. 1945-2009 – Theatre Productions GlenOak High School
- Reese, Raymond Lloyd 1938-2004 – Principal GlenOak High School
- Reichenbach, Jim 1933-2009 – Teacher and Coach Glenwood High School
- Renier, Paul B. 1936-2022 – Teacher
- Robinson, Jean M. -2022 [Riggs, Loutzenheiser] – Teacher Taft Jr. High School
- Roess, Mary – Commercial Middlebranch High School
- Rogers, Margaret – Languages and Librarian Middlebranch High School
- Roose, Robert L. – Superintendent
- Runk, Henrietta [McGuire] – Music and English Middlebranch High School
- Sallie, Barbara [Cooper] 1947-2023 – Aide
- Salvino, Jean M. [Betzler] 1920-2018 –
- Sayre, Marshall G. 1925-2010 – Assistant Principal and Coach
- Shaheen, Janet Eassa 1933-2023 – 6th Grade Math
- Shelley, Bruce L. 1935-2008 – Choral Director Oakwood and GlenOak High School
- Shingleton, Stanley E. 1942-2014 – Teacher GlenOak High School
- Smith, Chris 1961-2012 – Band Director GlenOak High School, Superintendent
- Snode, Melvin J. 1919-2013 – Middlebranch High School and Glenwood High School
- Sollie Eugene R. 1932-2008 – Coach, Teacher, and Guidance Counselor Glenwood High School
- Sollie, Shirley Ann 1934-2021 [Haager] – Office Glenwood High School
- Stauffer, Wilma {Price} 2017-2017 – Cook Oakwood High School
- Steiner, Charles T. Chuck 1956-2009 – Teacher and Coach GlenOak High School
- Stoffer, Donna R. Rupert 1921-2017 – Teacher Glenwood and GlenOak High School
- Strobelt, Michelle M. Shell 1960-2022 [Gutshall] –
- Studer, Julia Julie {Reed} 1920-2017 – Teacher
- Swanson, Lois V 1920-2021 [Keene] – Teacher
- Swinehart, Ruth [Nixon]
- Temsey, Lisa Nichols 1971-2016 – Cheerleading Advisor GlenOak High School
- Thomas, John – Associate Principal
- Thompson, Laura Lee [Duncan] – Home Economics Middlebranch High School
- Timpe, Harry – Teacher GlenOak High School
- Tyring, Beulah – Home Economics Middlebranch High School
- Vaughn, Frank 1929-2020 – Board of Education
- Wachtel, Dr. Paul L. 1933-2008 – Teacher and Principal GlenOak High School
- Wathan, Margaret [Nicholson] – English, Science, Biology and Public Speaking Middlebranch High School
- Wechter, Gary 1936-2023 – Glenwood High School
- Whaley, Jean Wood Glitz 1911-2006 – English Glenwood and GlenOak High School
- Williams, Gloria Sobel 1922-2015 – Spanish Teacher Glenwood and GlenOak High School
- Wingerter, Sharon Jo 1938-2019 – Teacher Edgefield and Avondale
- Wise, Esta Ann 1938-2022 [Wageley] – Teacher
- Wolf, Handy B 1925-2013 – Principal
- Woolley Betty M 1927-2016 [Wagner] – Counselor
- Young, Hazel 1920-2006 – Teacher American Government Glenwood and GlenOak High School
