Allow others to speak to your students.
It keeps them well rounded.
It keeps them engaged instead of hearing your voice for 52 weeks.
One way of doing it without all the costs of travel is video chat.
My friends Aaron and Kelly were able to speak briefly to our students thru Skype.
Aaron and Kelly were students at our first youth ministry.
I had the privilege of being with them all of their jr. high and high school years.