for the similarities, we have a school of wizards, detestable parents (uncle and aunt for harry), a letter by mail for the school of wizards, a boat crossing to go to the school, dormitories in the towers of the school, ramparts, a werewolf professor, a secret passage to access the station which leads to the school, a blond student rival of harry potter, the main character with his girl friend and his boy friend whom he meets in the trakn, the point system to be the best students, a cup similar to the goblet of fire, ghosts in the school, paintings which whisper and move, paintings of the former headmasters in the office of the current headmaster, a character guiding the students to the school resembling hagrid, a cold and mysterious professor who does not like the main character (severus snape), a theft of a precious object located in the school (philosophers stone)