The Best Online University Studies for STEM Subjects in 2025

When you’re thinking about advancing your career, so many options are available to you. Not only do you have the option of climbing the ranks in your current field, but you could also consider advancing into a specialist role or even moving fields. If you’re intrigued by the latter, getting into the STEM fields of science, technology, engineering, and mathematics is always a good idea. But to do that, you may want to consider furthering your education.

Going back to school to get your graduate degree or furthering your education can open up a world of opportunities. Not only can it enable you to expand your skills and knowledge, but it can also prepare you for career progression.

In this blog post, we’re going to take a look at the best online schools for STEM subjects in 2025. While there are a range of schools to consider, we’ve selected five that offer academic excellence, variety, specialist subjects, and a research edge. Let’s get into it.

But maybe you’re thinking that you don’t have the time or you don’t want to completely give up your career to study? This is exactly why online studies are great. Not only can you study in your own time and at your own pace, but you can also study with an accredited and world-leading university too.

If you know that you want to be able to go back to school or further your academics in the STEM fields, here are the five best universities to consider.

When working out the most important areas to focus on when choosing a best overall university, ticking boxes in every field counts. This is where UNSW Online comes in. The University of New South Wales Online offers strength and depth in their program offering, and is ranked among the top 20 universities in the world. Not only that, but they are have high success rates when it comes to employability.

Studying with UNSW Online gives you access to programs across STEM subjects, such as analytics, finance, business law, financial technology, psychology, and more. And if salary levels are important to you, UNSW graduates are ranked among the highest earning graduates across Australia. So, it’s no surprise that they won the award for most employable students at the AFR Top 100 Future Leaders Awards for six consecutive years running.

If you know that you want to get into a STEM field, but you’re not sure where to start, Arizona State University could be perfect for you. As a public research university, Arizona State University offers a wide range of STEM degrees. Some of the student favourites cover everything from biology and biological sciences to software engineering. So whether you want to be in medicine or tech, you’ll find it here.

Arizona State University offers carefully curated class syllabi and advanced coursework to ensure that their online programs are both flexible yet challenging. Their main focus is on offering a very fluid approach to learning in order to suit their students’ schedules. Because of this, they have programs with online labs and some with in-person lab days. So, you can choose a course to suit your schedule.

If we were to pick out an online school for each and every subject, this could end up being an extremely long post. However, there’s one school that does stand out in one area, and it’s City St George’s, University of London. City St George’s, University of London has its STEM Digital Academy, offering its 100% online MSc programmes in Computer Science. If you’re a graduate or mid-career professional and you’re really looking to soar in your career, this could be for you.

At City St George’s, University of London, you can start your studies at any time of the year and go at your own pace. You can also pay module by module, which gives you flexibility to work around your budget. Their courses are also completely self-paced, so you don’t have to stress about being able to attend lectures and can study on your own schedule. If you’re interested in fields such as programming, machine learning, or cybersecurity, City St George’s could be great for you.

The world as we know it is changing. We’re all becoming so much more environmentally conscious than we’ve ever been. So, if you’ve found yourself curious about more sustainable subjects and moving into a field that makes a difference in the world, you may be interested in Washington State University. Washington State University is a public research university with a heavy focus on agricultural research, along with other key environmental areas.

Washington State University offers a global campus where undergraduate degrees in everything from veterinary medicine and sustainability are offered. However, they do offer a wide spectrum of STEM subjects to students via their online learning portal. Popular options include environmental and ecosystem sciences, social sciences, and data analytics to name a few.

Purdue University, a public university in Indiana known for it’s extensive research in the fields of agriculture, engineering, and healthcare has a worldwide online offering for students looking to study from anywhere. Purdue Global is a completely online university that enables you to study in line with your own schedule, from wherever you are in the world.

If you’re looking to study with a strong leader in the STEM academia field, you’ll find it with Purdue Global. Here’ you can choose from a range of different subjects from health sciences and sustainability to cloud computing and solutions. Classes cover both undergraduate and master’s level, giving you the flexibility to choose an academic path that suits your experience and interests.

When you’re looking to study STEM subjects online at the degree or graduate level, it’s important to choose a school that suits your schedule, interests, and career plans. For the best all-rounder, look no further than UNSW Online. If you want something specialist, you’ll find it with City St George’s or Washington State University. Finally, you can also lean into Purdue Global for STEM research fields or Arizona State University if you want a school with a lot of variety.

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