Yes, the school will assist with job placement upon graduation.
Most trades offer an evening course. It may take a little longer, but you'll be able to continue to work while you learn your trade.
When the school contacts you, they will discuss when the next class begins and ends. Some start new classes every month.
It depends on course hours and which school you'll attend. Once you submit your application, the closest school that offers your trade will contact you. The school will explain the cost and options available for help in paying your tuition, including Pell Grants and financial aid.