How to keep teens from drinking at a party where alcohol is served<br>Determine whether or not it is necessary to serve alcohol at the party. Depending on the type of party or the people there, serving alcohol may not the best choice. Try to gauge how many teens will be at the party, and the likelihood of underage drinking.
If there's a party with alcohol, and teens are expected to show up, there is a chance that the teens may drink the alcohol, so if you want to stop them from drinking the easiest way is to reconsider whether serving alcohol is a good choice. 
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