A 700/800 definitely is not a great score comparing to other applications. It wouldn’t add any values to your application. However, they are looking for overall capabilities. If you have great stats on others, it should not be a concern.
If you have other information for below, we can chance you further 
good luck!
Objective:
SAT I (breakdown):
ACT (breakdown):
SAT II:
Unweighted GPA (out of 4.0):
Weighted GPA:
Rank (percentile if rank is unavailable):
AP (place score in parenthesis):
IB (place score in parenthesis):
Senior Year Course Load:
Major Awards (USAMO, Intel etc.):
Subjective:
Extracurriculars (place leadership in parenthesis):
Job/Work Experience:
Volunteer/Community service:
Summer Activities:
Essays (rating 1-10, details):
Recommendations (rating 1-10, details):
Teacher Rec #1:
Teacher Rec #2:
Counselor Rec:
Additional Rec:
Interview:
Other
Applied for Financial Aid?:
Intended Major:
State (if domestic applicant):
Country (if international applicant):
School Type:
Ethnicity:
Gender:
Income Bracket:
Hooks (URM, first generation college, etc.):
PFAA emails? How many? When?: