Dead/dying clutch...?, Shift, hit the gas, watch the RPM's go up while the MPH CRAWLS... Options

[supaneko]

I've had this issue taking place for a little while now. When it began, I simply parked my little car in the driveway with hopes that the funding to get an easy repair would come along. But then my other Celica (a 1991) just died out on me and now I have to get one of them fixed... definitely has to be the stick.

I've noticed for a little while that when I would shift, any gear, after shifting I wasn't able to really hit the gas too hard. If I did, the RPM's would shoot up past 4k and very slowly the MPH would move. If I hit the gas pedal just right, the car would slowly accelerate and the RPM's would seem to travel in-sync with the MPH. Well, now it seems like that "just right" is just about gone and every time I shift or hit the gas pedal the engine screams because the car just isn't moving like it should.

I am not smelling any sort of burning or hearing any sort of grinding. The clutch pedal itself doesn't seem to be any different from the day when I first bought the car either.

What's going on? What needs to get fixed? Where do I take it?