Free Online Classes


Online classes are a great alternative to classroom instruction these days. They go beyond lecture videos by including online quizzes or tests to verify that students have truly learned the material, and some have scheduled online lectures or group participation. Find the best online courses here for any grade level and virtually any academic subject, many of which are suitable for high school or college level classes. To see just free online classes, set the price filter to zero.


Free

RWM103: Geometry


Geometry
6th - High School | Online class

Unit 1: The Basics of Geometry From a young age, we learn basic vocabulary and basic concepts that lead us to understand greater concepts. In this unit, you will learn about the basic building...

Free

SALES103: Public Speaking for Sales


Public Speaking
College | Online class

Unit 1: Sales Positions Beginning a sales career can be very exciting and offers a wide range of professional possibilities. Diving head first into a list of want ads can be time consuming and may...

Free

SAT


SAT Preparation
High School | Online class

Download and take a real, full-length practice test. Watch videos showing step-by-step solutions to problems you missed or found challenging, and get even more practice with unreleased questions...

Free

SAT Math practice


SAT Math
High School | Online class

In these tutorials, we walk through solving tons of practice problems covering all of the skills you’ll need for the SAT Math sections. The examples are split by difficulty level on the SAT. Then...

Free

SAT Reading and Writing practice


SAT Reading & Writing
High School | Online class

In these tutorials, we walk through SAT Reading and Writing questions, both as passages and in focusing on the specific skills you’ll need. The examples are split by difficulty level on the SAT....

Free

SAT Tips & Planning


SAT Preparation
High School | Online class

Sal walks through using Official SAT Practice on KhanAcademy.org, which we built in partnership with College Board (the creators of the SAT).

Free

Saylor001: Introduction to Learning on Saylor Academy


Online Education
College | Online class

While Saylor Academy courses are free, and much of the course material can be viewed without having to sign in or create an account, we do encourage all of our learners to create an account in...

Free

Saylor101: Saylor Course Development


Online Education
College | Online class

Course Introduction Welcome to Saylor Academy! We’re thrilled that you are going to be applying your teaching and subject matter expertise to our open courses. This brief training course will...

Free

Scale of the universe


Astronomy
7th - College | Online class

The Earth is huge, but it is tiny compared to the Sun (which is super huge). But the Sun is tiny compared to the solar system which is tiny compared to the distance to the next star. Oh, did we...

Free

Scaling Operations: Linking Strategy and Execution


Operations Management
College | Online class

Over the past several decades, operations strategy has played an increasingly important role in business’ success. In this course, we will equip you with concepts and tools to build operations in a...

Free

Scarcity, possibilities, preferences and opportunity cost


Online class

This tutorial goes back to the basics. You are a hunter-gatherer with only so much time to hunt or gather. How do you allocate your time and energy to maximize your happiness? This is what we try...

Free

Scholarly Communication


Communication Science
College | Online class

About this Course Scholarly Communication is a concise but comprehensive course on how to write research papers in English. The course will help the candidates gain a better understanding of the...

Free

Script Writing: Write a Pilot Episode for a TV or Web Series (Project-Centered Course)


Screenwriting
College | Online class

What you’ll achieve: In this project-centered course*, you will design a series bible and write a complete pilot episode for your own unique television or web series, be it drama or comedy or...

Free

Second order linear equations


Online class

To make your life interesting, we’ll now use the word “homogeneous” in a way that is not connected to the way we used the term when talking about first-order equations. As you’ll see, second order...

Free

Securing Digital Democracy


Civics
College | Online class

In this course, you’ll learn what every citizen should know about the security risks—and future potential — of electronic voting and Internet voting. We’ll take a look at the past, present, and...

Free

Securing Investment Returns in the Long Run


Investing
College | Online class

In this course, you will learn about the famous dichotomy between active and passive investing, how to appropriately measure and analyze investment performance and what the future trends in the...

Free

Seeing structure in expressions


Online class

Learn how to evaluate expressions with variables whose values are unknown, by using another information about those variables. For example, given that a+b=3, evaluate 4a+4b.

Free

Seeing the Light, Envisioning the Content, Sharing in Print & Online


Content Strategy
College | Online class

Welcome to Course FOUR! In Modules 1-4 we will cover the final elements of the Specialization necessary to round out this introduction to the fundamentals of Photography, and prepare you for...

Free
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Seeing Through Photographs


Photography
7th - College | Online class

Although taking, sharing, and viewing photographs has become second nature for many of us, our regular engagement with images does not necessarily make us visually literate. This course aims to...

Free

Semiconductor devices


Online class

Diode as a circuit element Diodes conduct current in one direction but not the other. We solve a diode circuit graphically by plotting a diode i-v curve and resistor to find the intersection.

Free

Sequences


6th - 9th | Online class

Learn what sequences are, and about the explicit and recursive definitions of sequences. Evaluate sequences that are defined recursively.

Free

Sequences, series, and function approximation


Sequences & Series
9th - College | Online class

Now we switch gears away from integration to talk about sequences and series. Much of calculus is about dealing with infinity, and this topic has us dancing very closely with infinity itself....

Free

Sequences, series and induction


Online class

Sal explains sequences and gives examples of different sequences, defined either explicitly or recursively.

Free

Serious Gaming


Video Game Design
College | Online class

Have you ever wondered how playing games can help us to train people, deal with societal challenges or raise awareness of contemporary social issues? In this MOOC you will learn the ins and outs of...

Free

Server-side Development with NodeJS


Node.js
College | Online class

This course deals with all things server-side. We base the entire course around the NodeJS platform. We start with a brief overview of the Web protocols: HTTP and HTTPS. We examine NodeJS and...

Free

Service Transformed: Lessons in U.S. Veteran Centered Care


Health Services
College | Online class

Improving health care for veterans has become a matter of national attention and has gained increasing attention from the medical community. With the current surge of veterans reintegrating into...

Free

Setting Expectations & Assessing Performance Issues


Management
College | Online class

Setting Expectations & Assessing Performance Issues is course 2 of 5 in the Coaching Skills for Managers Specialization. In this Specialization, you will learn the essential skills to coach...

Free

Shapes


Shapes
6th - 8th | Online class

In this tutorial, we’ll classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. We’ll also...

Free

Shape Your Life With Leadership

Leadership
College | Online class

This Specialization will help you switch from a top-down leadership, with the emphasis on authority, to an open leadership based on trust and sense. This new approach of leadership, taught to HEC...

Free

Sharpened Visions: A Poetry Workshop


Poetry
College | Online class

Why just write poems when you can write better ones? This course is built on the notion that the most exciting writing begins after the first draft. It is specifically for folks who believe that...

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