em ony ▁at ▁the ▁conclusion ▁of ▁the ▁tournament . ▁ ▁National ▁Circ uit ▁A ▁small ▁subset ▁of ▁high ▁school ▁deb aters , ▁mostly ▁from ▁el ite ▁public ▁and ▁private ▁schools , ▁travel ▁around ▁the ▁country ▁to ▁tournament s ▁in ▁what ▁is ▁called ▁the ▁' n ational ▁circuit .' ▁ ▁Major ▁national ▁circuit ▁tournament s ▁include ▁the ▁Glen bro oks ▁at ▁Glen bro ok ▁North ▁and ▁Glen bro ok ▁South ▁High ▁School s ▁in ▁the ▁North ▁Sh ore ▁area ▁of ▁Chicago , ▁the ▁B ark ley ▁Forum ▁for ▁High ▁School s ▁at ▁Em ory ▁University , ▁the ▁Green hill ▁Fall ▁Classic ▁at ▁Green hill ▁in ▁Texas , ▁the ▁Ber keley ▁Inv it ational ▁at ▁Ber keley ▁in ▁Northern ▁California , ▁and ▁the ▁St . ▁Mark ' s ▁Heart ▁of ▁Texas ▁Inv it ational ▁at ▁St . ▁Mark ' s ▁School ▁of ▁Texas ▁in ▁Dallas , ▁however ▁there ▁are ▁seven ▁major ▁tournament s ▁and ▁about ▁forty ▁smaller ▁national ▁circuit ▁tournament s . ▁Colleg es ▁and ▁university ▁with ▁policy ▁debate ▁programs ▁at ▁the ▁colleg iate ▁level ▁also ▁often ▁host ▁tournament s ▁for ▁this ▁circuit . ▁Another ▁el ite ▁form ▁is ▁the ▁TO C ▁( T ourn ament ▁of ▁Champions ), ▁in ▁which ▁qual ification ▁is ▁required ▁by ▁winning ▁b ids ▁from ▁at ▁least ▁two ▁large - scale , ▁particip ating ▁tournament s ▁by ▁adv ancing ▁to ▁a ▁certain ▁stage ▁depending ▁on ▁the ▁size ▁of ▁the ▁tournament . ▁ ▁About ▁ 7 0 ▁teams ▁of ▁two ▁from ▁around ▁the ▁country ▁qual ify ▁for ▁the ▁TO C ▁every