Hello Bella! ^^ Thank you for submitting your homework today. Kindly take note of the corrections that I made. Thank you! ^^

Name: My name is Bella. -Correct

Age: I am 35 years old. -Correct

Bella: Birthday: My birthday is January 22nd.
Correct: Birthday: My birthday is on January 22nd.
Explanation:The preposition "on" is used when referring to the surface of something, days and dates, a device or a machine, part of the body, and state of something.

School in College: I graduated from Ewha Women's University. -Correct

Bella: Date of Graduation:
I graduated from Ewha Women's University in 2002. After I finished my college, I went for a Master's degree
Correct: Date of Graduation:
I graduated from Ewha Women's University in 2002. After I finished my college, I went for a Master's degree.