Find-the-Words.com offers a free welcome speech for use at the beginning of the school year, as of 2015. Free-Sample-Letter.com also offers free sample welcome letters ideal for volunteers, teachers or other newcomers to a school. Other sample welcome speeches on these sites are easily adapted to the particular occasion.
A few tips for composing successful welcome speeches include acknowledging any important guests, welcoming all guests and making a specific reference to the particular event. It is also important to introduce hosts or the next speaker and leave the audience anticipating speeches or activities to come. The speaker should only give teasers about what is next in store and not give away too much information at the beginning.