My brake pads don't appear to fully contact the disc. They extend past the disc. 
Is this normal? Did I get the wrong size brake pads?
I don't recall ever having this problem before. I am also noticing a grinding noise occasionally yet the brakes have plenty of life left on them.
Make/model: 99 Ford escort
The brake rotors are damaged beyond repair by rust. The vent holes are full of rust. This causes the rotors to not cool well enough which can lead to burned spots, warping, pad material overheat and/or pad material transfer to the rotor surface. The pad hanging out over the outer diameter a little bit is not a problem for brake effectiveness. It can lead to noise and premature wear and should be repaired. The pad outer edge should stop at about 2mm from the outer edge.
So the solution here is to replace the brake rotors and new pads. The pads could be reused if the new rotors happen to have a slightly large diameter and show no signs of overheating or other damage.
The brake pads should not stick out past the rotor, period!
If they do and they are the correct pads, you will have to replace your rotors. I would never put used pads on with new rotors.
You also need a new caliper, it's sticking or stuck.
