The National Aquarium in Baltimore rewards good students

Today you have a chance to do something special for the good students in your life. 
The National Aquarium in Baltimore is holding a special event for grade 'A' students.
Children who earned 3 or more A's during any of this year's grading periods get free admission to The Aquarium tonight from 6PM through 9PM.
They can also bring an adult for free. 
Everyone else in the family is $5 each.
The Aquarium event is open to students from Baltimore City, Baltimore County and Howard County.
Click here   to register.