Educational institutions (7)
I believe the answer is:
schools
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">educational institutions</span>' is the definition.<br/ ><span class="explanation-format__explanation">(school is a kind of educational institution)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for schools that I've seen before include "Colleges" , "dolphins in groups, for example" , "Places of instruction" , "Educates" , "Coaches, trains" .)