What is my chance at merit aid at UMBC and how much would I receive?

Biology major
Mexican American
GPA: 3.74 UW 4.35W
SAT I: 1340/1600 (680 CR, 660 M)
AP: Calc AB (5), Bio (3), APUSH (3), AP World (3), currently taking AP Chem, English 101 (DE), Statistics 207 (DE),
Average Essay
Letters of Rec: haven’t seen them, probably good
EC’s:
Book club president for 2 years
SGA council member
Science national honor society
Church Worship Team
BK Cashier (20 hrs/ week) August 2015-August 2016
JCPENNEY (24 hrs/wk) August 2016-Present
3 years of Rec Basketball
Childrens church sound technician 2009-2016
Shadowed a neurologist for 4 months
JV football
I visit a nursing home monthly
Awards and recognitions:
Exemplary attendance 2014, 2015
Perfect Attendance 2016
Academic Excellence 2014-2016