THIS GIRL IN MY CL CALL ME UGLY HOW DO I FIX THIS?

PEOPLE SAID I WERE PRETTY BACK WHEN I WERE 10,11,9,7,8.NOW IM LOOKING BACK WAT HAPPEN?THIS GIRL IN MY CL SAYS IM UGLY DEN ROLLS HER EYES(IN 6TH GRADE)BUT I KNOW IT'S NOT TRUE SO I DONT LET HER GET TO ME.ALL I SAY IS THANKYOU AND SMILE.THEN SHE WALKS AWAY.ONE DAY THIS BOY IN THE HALLWAY SAID AWWW AINT YOU A UGLY LITTLE GIRL AND I SMILED AND SAID NOTHING AND WALKED AWAY.THEN BEFORE THAT HE SAID AWWW SHE ABOUT TO CRY.I WAS ABOUT TO CRY BUT THE I HEARD A VOICE SAY IN MY HEAD PEOPLE MAY THINK YOUR UGLY ON THE OUTSIDE BUT YOUR REALLY PRETTY ON THE INSIDE AND I DID NOT CRY.THEN THE DUDE NEXT TO HIM SAID MAN LEAVE HER ALONE.THEN THE DUDE THAT WAS TALKING ABOUT ME SAID SOME PEOPLE CRY WHEN YOU TALK ABOUT THEM.THEN HE SAID IM GOING TO STOP TALKING ABOUT PEOPLE AND STARTED CRYING.THEN THE DUDE NEXT TO HIM SAID DUDE WHY YOU CRYING?!THEN I WALKED OUT MY SCHOOL DOOR TO GO TO MY CLROOM.BTW THAT BOY THINGY IS IN 4TH GRADE HE WAS IN 6TH GRADE.PEOPLE TELL ME AND ASK ME WHY DON'T YOU TALK I MEAN YOUR SO SMART AND NICE.I SAY BECAUSE PEOPLE DONT TALK TO ME AND I ONLY TALK TO PEOPLE WHO ARE NICE. BUT THE ONLY TIME I TALK IS AT HOME AND TO MY FRIENDS ON THE PHONE.PEOPLE ALSO SAY IM DUMB THEN CALL ME A GEEK WHEN THEY GET TO KNOW ME.BUT BACK TO THE TALKING PART.ONE DAY I WERE PRESENTING I SAID THIS IS MY GRADE NOT ANYONE ELSE GRADE IN MY HEAD AND I DID NOT MESS UP.NO ONE LAUGHED.PEOPLE ASK ME AM I MIXED.I SAY WITH INDIAN,CHINESE,CRANEAN AND I DO SPEAK SOME SPANISH AND LOTS OF ENGLISH OH YEA POUR -CHA-GEESE AND ITAILIAN.BUT I WERE PRESENTING THE THIRD DAY OF SKOOL I WAS NERVOUS AND SHY SO I MESSED UP AND 2 GIRLS WERE LAUGHING AT MY VOICE CAUSE I TALK LIKE IM FROM THE SOUTH WHICH I DO HAVE COUNTRY PEOPLE IN MY FAMILY.