I have an unusually high palate. is that something that's bad?

No: Don't worry. High arched palate is a normal finding and is not a speech or eating problems.

Maybe: People who have narrow face with high palate have large turbinates and as a result have problem breathing through the nose. People with marfan's syndrome also have high palate.

Probably not an issue: A high palate is a normal anatomic variation. A high and narrow palate can be problematic. If your upper jaw is narrower than it should be than your lower jaw it can affect speech, swallowing, occlusion, and jaw function. Have the shape of your jaws checked by an orthodontist to assure that your jaws are proportional.

Not necessarily: It is just an observation that someone has made, just a deviation from what is seen in the majority of the population.

No: Not to worry. Simply an anatomical condition.

No: Due to environmental factors affecting breathing in growth and development, these may contribute to palate shape in people who mouthbreathe. Just because there is a high palate, it alone is not a sign or a predictor of an underlying condition. If you are healthy, breathe well, and show no other predilection to another syndrome, then i would not be too concerned.