You can find information about merit-scholarships on most college websites, though you will also find that many non-need-based awards are given out based on SAT, grades, and other factors, crunched up in a very unpredictable formula that a college will vary each year.
A grade point average of 2.8 and higher will open many doors to upgrade your educational experience.
SAT or ACT testing is almost never required for a transfer candidate because grade performance will attest to the ability to succeed in college level studies.
So, give yourself time to focus on improving your basic reading, writing, vocabulary, and math skills.
The number one factor that will help you bring up SAT scores is reading, and more reading.