My mother ran (and won) for school board in our hometown AFTER all us kids already went thru the system - actually maybe my youngest brother was a senior at the time, but for the most part we'd already gone thru. She had more time to dedicate to it (it is a huge obligation) but she won because at that point the community was more familiar with her, having put 3 kids thru all 3 schools. She was obviously female, conservative, retired Navy, AND decades of experience in nursing, plus she raised 3 successful kids, so she brought a fresh perpective and people enjoyed having her. The community was sad to see her step down when my parents down-sized and moved up the road.
You're far from an old crone
you absolutely should do it!