I hate my life!!!!!help!!!?

ok today this girl came up to the office which i work as an istant at, she came and said loook at my shoues omg my mom she like went shopping and got me eevery color of the uggs and then told the two girls omg i love u guys and flat out ignored me and left and didnt say thank you cuz i helped her.... and then when i got home i told my mom and asked her if i could get a pair of uggs she said NO never in my life would i pay that much for u and told me id have to get the money myself and id have to not tell my dad...so told my dad about school and he started yelling at me telling me an idoit and he would never waste he thought a thoughtless girl like me and he started saying that i would never get any where in life even if i went to college i would be a idoit and that i shouldnt hang out with my friends and that their idoits cuz their mormon and all kids at my school are stupid for being rich and stuff and my mom agreed w/ him and told she was gonna humilated me for the rest of my life so that i have no friends and that she never do anythin for me and they started praising my little sister and telling her how they loved her and how they hated me so i cried all day what should i do should i apologize?i dont know what to do???help i always get good grades also but my dad says i need to try harder and be smarter but he thinks im getting uglier and stupider each day please help:((