We honor those retired professional staff members who have served the students of Marietta High School. These staff members have served at least 15 years in the school system and no fewer than 10 years at Marietta High School.
| Charles Wells | 1878-1891/1908-1916 | John Hammat | 1962-1997 |
| Julia Hickok | 1878-1897/1906-1908 | Eileen Beebe | 1963-1985 |
| Selina Pearce | 1880-1912 | Vivian Cayton | 1963-1985 |
| Emma Best | 1885-1929 | William Berentz | 1963-1990 |
| Caroline Strecker | 1893-1937 | Colleen Burns | 1964-1985 |
| James Bird | 1894-1918 | Dawn Inabnet | 1964-1988 |
| Martha Monroe | 1895-1928 | Evelyn Goudy | 1964-1990 |
| Clifford Corwin | 1896-1918 | Sidney Nicholas | 1964-1991 |
| Alice Kremer | 1905-1948 | Harold Miller | 1964-1993 |
| Hattie Smith | 1907-1942 | Gary Duvall | 1965-1995 |
| Lucy Stacy | 1913-1957 | Louis Bett | 1966-1984 |
| Frank Sutton | 1917-1922/1929-1957 | Jack Powell | 1966-1984 |
| Delbert Swartz | 1918-1959 | Michael Popp | 1966-1990 |
| Ida Reader | 1920-1943 | William Knowles | 1967-1990 |
| George Siegler | 1920-1951 | John Spence | 1967-1994 |
| Margaret Newton | 1920-1962 | Kay Cline | 1967-1995 |
| Nina Rowland | 1920-1967 | Jim Luthy | 1967-1996 |
| Grace Cornell | 1921-1946 | Benjamin Stout | 1967-1996 |
| Ernest Siegfried | 1921-1959 | Robert Forshey | 1968-1984 |
| Cornelia McGee | 1921-1960 | Jane Crandall | 1968-1984 |
| Ruth Booher | 1921-1969 | Michael Siddall | 1968-1995 |
| Margaret Thompson | 1922-1964 | Roger Pape | 1968-1996 |
| Allen Rupp | 1923-1947/1960-1964 | Lois Cain | 1969-1991 |
| Edwin Rinehart | 1924-1943 | Glenna Clutter | 1969-1997 |
| Fred Mullenix | 1925-1957 | Olaf O’Dell | 1969-1998 |
| Herbert VanDerPoel | 1926-1941 | Pete Kincaid | 1969-2001 |
| Bertram Duvall | 1926-1942/1947-1974 | Molly Kincaid | 1969-2001 |
| Florence Hennis | 1926-1955 | Elizabeth Foshee | 1970-1990 |
| Ruth Pattin | 1926-1957 | Doris Davitan | 1970-1996 |
| Thelma Geiger | 1926-1964 | Jim Hudson | 1970-1999 |
| Henry Sullivan | 1928-1955 | Jim Zoller | 1970-2001 |
| Luke Runkel | 1928-1966 | Judy Bonser | 1970-2010 |
| Louise Bethel | 1928-1970 | Linda Eddy | 1971-2001 |
| Ruth Hovey | 1929-1930/1939-1967 | Randy Shrider | 1971-2001 |
| Dwain Murray | 1929-1944 | Barbara Pape | 1972-1998 |
| Halbett Taylor | 1929-1953 | Jim Hartlage | 1972-2000 |
| Walter Schweikert | 1929-1957 | Sue Goodwin | 1973-1996 |
| Leroy Slusser | 1930-1955 | Christine Miner | 1973-1997 |
| Kathryn Torner | 1930-1958 | Linda Carpenter | 1973-2000 |
| Gordie Harmon | 1931-1943/1946-1960 | Marshall Kimball | 1973-2001 |
| Grace Kiggans | 1931-1964 | Ernest Gath | 1973-2008 |
| Minoma Benson | 1935-1960 | Nancy Luthy | 1974-1998 |
| Clarence McClure | 1935-1968 | Betty Jo Watts | 1975-1997 |
| Robert Annasenz | 1937-1975 | Denise Holmes | 1975-2003 |
| Carl Prescher | 1938-1957 | Thomas Goeller | 1976-2001 |
| Emma Schoonover | 1938-1971 | Roger Smith | 1976-2005 |
| Maurine Neale | 1939-1965 | Nancy Mahan | 1976-2011 |
| Dorothy Zimmer | 1941-1944/1946-1972 | Joseph Matheny | 1977-2008 |
| Susan Marsch | 1942-1943/1946-1966 | Grace Hubbard | 1977-2012 |
| Milton Rosenbusch | 1943-1958 | Marilyn Meeks | 1981-2003 |
| Clifford Glazier | 1943-1964 | Larry Burke | 1981-2012 |
| Madeline Gerke | 1943-1967 | Patricia Goeller | 1983-2001 |
| Lewis Gettings | 1943-1968 | Steve Sayre | 1983-2001 |
| Karl Hiebel | 1943-1977 | Laurie Meagle | 1983-2005 |
| Charles Bolin | 1945-1976 | Becky Nolt | 1984-2001 |
| James Warren | 1946-1947/1951-1974 | Tom Andris | 1984-2010 |
| Ralph Sawyer | 1946-1975 | Barbara Jenkins | 1984-2011 |
| Gayle Bickford | 1946-1981 | Steve Denton | 1984-2015 |
| Virginia Noe | 1947-1973 | Wendy Wilson | 1986-2014 |
| Grover Buxton | 1948-1975 | Susan Denes | 1987-2008 |
| Rebecca Dana | 1950-1967 | James Thrash | 1988-2013 |
| William Ross | 1950-1981 | Chris Unroe | 1989-2010 |
| James Stephens | 1951-1966 | Karen Donley | 1989-2012 |
| Ronald Guinn | 1952-1972 | Michael McCauley | 1990-2007 |
| Penelope Gantz | 1952-1974 | Mike Miller | 1990-2014 |
| Jane Burton | 1955-1971 | Ellen Nutter | 1993-2013 |
| Carol Darst | 1955-1972 | Pamela Moore | 1994-2012 |
| James Jordan | 1955-1985 | Lindsey Ritscher | 1994-2013 |
| Phyllis Wells | 1959-1982 | Sue Lane | 1997-2013 |
| William Bonar | 1959-1984 | Kelly Bishop | 1999-2014 |
| Robert Bumgarner | 1959-1993 | Craig Keaton | 2003-2014 |
| Doris Curtis | 1961-1984 |