Sarasvati Beej Mantra
Om Shreem, Hreem Saraswastai Namaha: Sarasvatii namastubhyam varade kaamaruupiNi . Vidyaarambham karishhyaami siddhirbhavatu me sadaa ..
Goddess Saraswati. (solutions for education)
It is the most powerful Mantra. You must hear and verbalize before you are starting studies/office work every day.
Wish you all the best.