The first thing that should be checked while signing the agreement is the interest rate as it may create stress on you while repaying the loan amount. With the current income level, you should be able to validate whether you can afford to repay the loan at the interest mentioned in the loan agreement.
It is an unsaid rule in the world of loans that one needs a co-signer to ensure that the student loan gets approved. That said, it does not mean that you would not get loans if you do not have a co-signer to sign on your agreement. There are some lenders in the market who would offer loans to you with you having to worry about the co-signer.
If you have any queries in future, then you should be able to easily contact the lender. For this purpose, you should ensure that the company name, corresponding address and the phone number are mentioned in the loan agreement than the details about the agent who has been processing the loan for you.
A loan agreement is the document which represents the formal evidence of a loan. The document also includes important details such as covenants, positive or negative ones, the information on the collateral such as loan type and its value, as well as guarantees, the applicable interest rates, fees, the conditions according to which the loan is to be repaid, and the period of repayment envisaged.