Charles Sumner School
... that the Charles Sumner School served as the first teachers college for African-Americans in the District of Columbia?
... that the <b id="mw5g"><a href="./Charles_Sumner_School" id="mw5w" rel="mw:WikiLink" title="Charles Sumner School">Charles Sumner School</a></b> served as the first teachers college for African-Americans in the <a class="mw-redirect" href="./District_of_Columbia" id="mw6A" rel="mw:WikiLink" title="District of Columbia">District of Columbia</a>?