When you buy through our links, we may earn money from our affiliate partners. Learn more. Coursera There are startlingly low numbers of women in STEM-related careers: Only 1 in 4 STEM positions are held by women.Education can help you advance in a STEM career, and online courses can be more affordable and flexible than a traditional college route.Because representation matters, all of these courses are taught by women who are highly successful in the STEM field.Read more: These online data science courses are taught by a Harvard biostats professor — and can help you land one of the best jobs in AmericaSign up for Insider Reviews' weekly newsletter for more buying advice and great deals.It probably comes as no surprise that there are fewer women working in STEM than men.