- First School in Lyman County was established south of present-day Oacoma (Gladstone), probably on Lower Brule Indian Reservation, taught by Episcopalian missionaries.
- First white school in Lyman County was southeast of Oacoma along the Missouri river (Cedar Shore Resort area today), taught in a steamboat owned and operated by Capt. King. School Dist. #1.
Pukwana School, Class of 1955 (includes photos)
Kennebec – Kennebec School, 1906 – high school now consolidated with Presho School, i.e. Lyman School.
Oacoma – Oacoma School, 1895. First schoolhouse built 1907, burned 1924. Brick building constructed following year. Eighty students enrolled in 1922-23. Two years of high school taught in this school. Consolidated with Chamberlain School District in Brule County and closed in 1994-95.
Presho – Who’s Who? 1912-1953. Presho School, 1908-09. Remodeled in 1948 and new buildings in 1960’s-70’s. All high school students from Reliance, Kennebec, Vivian attend Lyman High School today.
Reliance – 1906-1995. As of 13 March 2009, Reliance High School has a web site. High school classmates join free. http://www.reliancehigh.com