Kindly refer to the following link(s):
Can a woman study or work in a mixed environment?
Can a girl who wears the niqab go to a mixed school / university?
Are Women allowed to work in Islam? Why is everything haram / prohibited in Islam?
Should we discourage women's education?
Mixed school with full hijab Can I ask questions to male teacher / give presentation
What are the halal jobs a woman can work in, in Islam?
Are Women allowed to work in Islam? Why is everything haram / prohibited in Islam?
How can a Muslim Woman serve Islam?
Is it halal for a woman to attend mixed universities
Women taking part in elections and working in a mixed environment
Free mixing in the workplace -Working with non mahrams men and making dua for them
Is it a Communal Obligation (Fard Kifaya) for Muslim Females to become Doctors?