Why does Madison County Schools have so many National Board Certified Teachers? MCS teacher and National Board Coordinator Princess Thompson says the district encourages teachers to be the best of the best in the profession by earning National Board Certification. Plus, MCS incentivizes NBCTs with an additional $2,000 on top of the state supplement! Certification signifies exemplary teaching, and MCS supports our teachers through the process through in-district mentorship and training and suppor