Are the thing is high school movies true?

my family is gonna move from philippines to san jose california and ofcourse we need to go to school! im a bit terrified to go to school coz im scared of what the movies say! i know some say... dont believe what u watch on tv but after all the bullying stuff goin around is it really true about wet willies, wedgies, head in toilets, popular kids, shoving in lockers and eating in the restrooms or floors when your the new kid? PLEASE ANSWER! were moving next month! im scared to be the new kid!