Home » Image » Jack Gilinksy and Jack Johnson are childhood buddies Jack Gilinksy and Jack Johnson are childhood buddies Updated : Jul 5, 2017, First Published Jul 4, 2017 Sabrina Newton Image Jack Gilinsky and Jack Johnson attended Omaha Westside High School. They graduated in June 2014. Post navigation Jack Gilinsky with Jack Johnson and girlfriend Madison BeerJack Gilinsky and girlfriend Madison Beer have broken up