Such a letter is both ineffective and immature. Earlvandorn refers to himself as both parent and student depending on thread and since the suggestion to send such a letter isn’t made in jest as I first thought, then I’d go for adolescent wishful thinking.
Anyway : tour sat score will get you what you wanted.
And how seriously did you plan to applyvto Oklahoma and Alabama ? Be honest with yourself now.
In all likelihood the college’s you’re aiming for couldn’t care less. Focus on what’s ahead.