What if knowledge is essential and there are places to study that adhere to God's law outside my country, but I do not have enough money to pay the exorbitant university fees?

If you are in need of blended learning and there is no alternative available except at an unaffordable cost, then there is no blame upon you for continuing it, provided you observe the rulings and etiquettes of Islamic law in dealing with women, such as lowering the gaze, refraining from speaking with them unnecessarily, and avoiding privacy.