493 points. According to the query, the school selection network shows. Taking 223 as an example, the highest admission score of music education major in the Conservatory of Music of Changchun Normal University is 718, and the lowest admission score is 493. Music performance majors have the highest admission score of 657 and the lowest admission score of 526. Therefore, the score of Changchun Normal University Conservatory of Music is 493.