Teacher's salary ranges from state to state. What a teacher might make in Texas is different from what a teacher will make in New York City.
Not much in either case. About 32k to 35k depending where you live. If you live in NY, probably the later but the cost of living will make you need a second job.
The salaries and veges are vary from state to state and central government. In any government, the salary is for a school assistant (High school teacher) TGT may get minimum 13 to 15 thousand rupees + allowance.