About 100 parents heard presentations, then toured the building.
The association's board has also agreed to hear presentations on the subject before its annual convention in April in Chicago.
Some 80 delegates attended the Environmental and Business 1990s conference and heard presentations from speakers across the globe.
Next weekend, a jury is to hear formal presentations and whittle the proposals to three.
Its 50 members, most of them the chief executives or founders of technology companies, meet once a month to hear presentations from small businesses.
The company will hear presentations next week from selected agencies, she said, declining to identify them.
The two-day economic meeting that ended today drew about 150 House Democrats who heard presentations on the economy and weighed various policy proposals.
Bettman also heard presentations from two other groups last Thursday, including Marino's.
Such a panel would hear presentations by the city and the union and then issue a nonbinding recommendation for a settlement.
One person close to AT&T's board said yesterday that the directors heard presentations from executives about "a dozen or more" alternatives.