I’m not expert but since your current ID is a desfire I’m pretty sure you’ll need this implant xDF2 DESFire EV2 8kB NFC - RFID & NFC Chip Implants and Biohacking products then you’ll have to get your school to enroll it. So that will involve making friends with someone who works at the student ID office and getting them to try enrolling it and do some experiments.
It also depends on how your schools readers are set-up it’s possible they just use the UID and your current one might work fine. You really just need them to be willing to try stuff out.