Complex sentence: Toronto District School Board (TDSB) and the Toronto Catholic District School Board (TCDSB) have both been designated to use the new space, the shared school building will seek to maximize spatial efficiency, with a common gym and theatre complex for both schools.
Split into simpler sentences: Toronto District School Board (TDSB) and the Toronto Catholic District School Board (TCDSB) have both been designated to use the new space. The shared school building will seek to maximize spatial efficiency, with a common gym and theatre complex for both schools.