A antonym for "old fashioned" is new, because when something is old fashioned, it's usually old, and doesn't look in a good state, while something is new, it looks better than something old fashioned, or up to date
I hope this helps! :>
Answer:
Try talking it out with them. Suggest alternatives. Explain why you disagree with their decision in a respect manner. If none of that works, well...I guess you'll have to change schools. But it won't be <em>all </em>bad. You might meet new people and learn new things! New opportunities.
Explanation: