Justin Bieber sticks his head out of a car window as he arrives at St. Andrew’s School on Friday afternoon (April 13) in Boca Raton, Fla.

The 18-year-old musician made a surprise visit to the school to congratulate three students who raised $51,738 for Pencils of Promise. Read about his visit on WPTV.com!

“met some amazing kids who are helping change the world with their work with @pencilsofpromis – #MAKEACHANGE” Justin tweeted.

After the visit, Justin caught up with girlfriend Selena Gomez and mom Pattie at a friend’s wedding rehearsal dinner in Jupiter.