Every state in the U.S. offers free or almost free college courses for retirees — either on-campus or online. Either way, using your brain to learn new things, gain a new talent, or just pass the time of day can help you stay ageless, curious and engaged.
Learning new skills can help senior citizens stay youthful, boost cognitive function, memory and emotional well-being.
And, the studies back it up:
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A study published on the National Library of Science website indicates that older adults’ participation in lifelong learning is independently and positively associated with their psychological well-being.
A May 2025 Scientific American study found that gaining new knowledge sustained improvements in attention and working memory among adults aged 58 to 86, effectively countering age-related declines. After a year, participants achieved skill levels equivalent to those 50 years younger.
And, Harvard Health found that engaging in complex skill-learning strengthens cognitive reserve, helping seniors maintain focus and memory despite age-related brain changes.
So, if your goal is to stay active and engaged, but you're not looking to enroll at a university, then check out these 10 online learning platforms offering courses that range from learning a new language to private markets and investment strategies, and everything in between. Some platforms charge a fee per course, while others are offered at no charge.
1. AARP Senior Planet
If you want a program that is specifically geared to older adults, check out AARP's Senior Planet. From technology and health to finance and wellness, it's a good bet you'll find a class that meets your learning style, making the experience fun and educational, without the stress of weekly tests.
On the site, you'll also find a guide that includes helpful tips and tricks on how to navigate online learning platforms and maximize the benefits of these courses.
2. Open Learning Initiative
The Open Learning Initiative is a series of courses offered by Carnegie Mellon University. The courses are self-paced and self-guided, so you can learn at your own pace. You can't earn credit for the classes you take, but they do provide an opportunity to gain new knowledge and learn new skills. Study a new language, upskill your math, or explore human anatomy so you can impress the doctor on your next visit. Many classes are free, but some charge a small fee per class.
3. EdX
EdX offers free online education courses from MIT, Berkeley, Harvard and many other well-known colleges and universities. The courses are self-paced, meaning you can learn at your own speed, no rush, no set schedule, just whatever works for you, with topics that include nutrition science, private markets, AI and investment strategies. Want something a bit flashier? EdX also offers an introduction to music theory and graphic design.
You won't pay a thing for taking EdX open courses when you enroll in the free audit track; however, this version doesn't offer certificates or grade your work. If you want to earn a certificate, there is a fee that ranges from about $90 to $300, depending on the course.
4. Coursera
If you want to further your knowledge with degrees and professional certificates from world-class universities like Duke and the University of Michigan, then Coursera might be for you. It offers thousands of paid and free online courses. For example, you can learn the basics of bookkeeping, and balance your budget like a pro, or learn basic grammar in less than four weeks. Plus, you can get started with a free trial.
5. LinkedIn
LinkedIn is best known as a social media platform that offers networking opportunities for working adults. But the platform also offers a mixed bag of courses — nearly 25,000. You can develop the critical skills you need to start a new career if you decide to unretire, or just learn something new to keep up with the grandkids. Even if you have no intention to return to work, you can stay on top of the latest advancements in AI or learn how to create a spreadsheet in Excel, which can come in handy when preparing next month’s budget.
6. Academic Earth
Academic Earth is a fantastic resource for senior citizens looking to dive into high-quality education from top universities like Princeton and Oxford. The self-paced, at-home setup with no time or location restrictions is perfect for flexible learning across various subjects like business, science, humanities and law. Anything specific you want to explore — free of charge? That’s another advantage for retirees on a budget.
7. Skillshare
Skillshare is an online learning community where you, along with your kids and grandkids, can discover a new skill, take a new course, or even teach a class. The people at Skillshare believe that learning by doing is the best way to gain a new skill and expand your creativity. Explore a new passion or hone your talent with classes that range from beginner to expert. Pricing varies (after your initial free trial ends), and you’ll have to create an account to see how much each course costs.
8. Great Courses
The Great Courses site offers hundreds of courses across every subject, from Ancient Cities of the Mediterranean and a Field Guide to the Planets, to Learning French and the Art of Travel Photography. The courses are super catchy and sure to keep you hooked, and are taught by top-notch professors and subject matter experts. Besides that, you can learn at your own pace. The platform is compatible with Apple TV and Kindle Fire and even offers DVDs. It has a pay-per-course pricing module and comes with lifetime access when you sign up. At various times of the year, you can also find discounts on many of the best courses, so check back often.
9. YouTube
YouTube is an amazing platform (and personal favorite) that offers hundreds of videos on various topics (not just funny dog videos). You can pick up a new hobby, learn to cook pasta, find out about climate change, or even learn more about beginner yoga poses, their benefits, and how to practice them. Most classes are free, but some charge a small subscription fee. Some of the top learning channels on YouTube include Crash Course and SmarterEveryDay.
10. Learn Out Loud
Learn Out Loud is a one-stop destination for both audio and video learning. It has over 50,000 audiobooks, podcasts and videos where you can learn about politics, history, business, science and more. Most courses are free. The only drawback is that everything is audio or video, so you can’t save a transcript of a course to come back to it later. Even so, with such an extensive library of learning opportunities, it’s hard to pass it up.
Why take an online course in retirement?
Retirees of any age who have unretired, are excited about gaining expertise, or who just want to boost their brainpower and soak up new info can check out one or more of these online platforms. While you're at it, take a look at Free (or Cheap) College for Seniors and Retirees in All 50 States to level up your knowledge and add to your know-it-all stash.
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