I am a retired teacher; can I join the Teachers' Car Insurance Scheme? October 11, 2018 13:43 Yes. Retired teachers are welcome to join the Scheme regardless of age. Related articles Can my spouse or partner join the Teachers' Car Insurance Scheme? What happens if I cancel my membership or leave my Union? What type of car insurance cover can I buy? What is Cornmarket Extras? Can I use my car for work ?