Chances for American University?

So I applied RD for American. My mom would not want me to apply ED because it was binding.

Here are my stats:
SAT (superscore): 1310 ; 670 reading/writing, 640 math. 6/5/6 essay.
GPA: 4.51/5 (W)
3.83/4 (UW)
Rank: 126/480.
AP scores: Have taken 4 APs; currently in 3 AP classes as a senior. Scored 5 on AP Euro and a 3 on AP world. The rest were 2s; not a very good test taker.
Senior course load: AP Human Geo, AP Psych, AP stats, Honors English 12, Honors Physics, Honors accounting (had to take CTE… a priv school I applied to required I take 1 CTE), Advanced Ceramics, Honors Anatomy, Honors German 4
Awards: Third in tri county economics olympiad 2 years in a row, Social studies Honors scholar award, English and Writers scholars award, and I had several art pieces featured at an art show.

Extra circulars:
Model UN at an Ivy League School (10 and 11)
Track and Field (9-12)
Economics Olympiad (10-12)
Secretary of Volunteers club (11 and 12)
Feminism International Club (10-12)
Took art classes at museum outside school (10-12)
Volunteer at local animal rescues (10-12) (180 hours)
Tutor for other students (9-12)
Archery (9) (our coach had passed away shortly before I moved between 9th and 10th grade; my 9th grade school offered very few ECs)

Job: Lifeguard
Hooks: Single parent

Race: White
Gender: female

Strengths: GPA? :///
Weaknesses: SAT score, ECs, and Awards.

Applied major:
International Relations

Are you full pay? If so I think you will be accepted.

No, I can pay about 1/4 tuition. Plus I have a 5,000 dollar scholarship that I recently won.

And I forgot to mention I am in national honors society.