Speech class would help to overcome the fear of facing the
public and acquire a comfortable body language.Taking up funny
interesting topics to debate upon can boost confidence.Topics like
"why dogs should be banned in your room";Funny teenage problems
etc.
Speech class can also have role playing activities wherein some
funny situations could be acted out making it humorous.
One can mimick like some prominent personality and make speech
like that person,that would be quite funny and will help to boost
the self confidence of the speaker.
By talking seriously in the front of the class,and the suddenly
break into a dance or strt singing some random song can become
really funny for the audience.When people laugh at your antiques,it
will help to face the audience better and interact with them
more.