For safety (yourself and your family, your students, etc.)- GPS information can be manually removed from the photo by using web apps or programs. The attached web app on these links will remove your EXIF data for you.
http://www.labnol.org/software/exif-data-editors/14210/
http://www.makeuseof.com/dir/exifremover-remove-exif-data/
http://www.labnol.org/software/exif-data-editors/14210/
http://www.makeuseof.com/dir/exifremover-remove-exif-data/
