Free, self-paced online courses for kids. Tap any course for full details and the week-by-week list.
Free online coding courses, Kindergarten through Grade 6 and up.
Grade K · Ages 5 to 7
12 weeks · self-paced online course
Grade 1 · Ages 6 to 7
12 weeks · self-paced online course
Grade 2 · Ages 7 to 8
12 weeks · self-paced online course
Grade 3 · Ages 8 to 10
12 weeks · self-paced online course
Grade 4 · Ages 9 to 11
12 weeks · self-paced online course
Grade 5 · Ages 10 to 11
12 weeks · self-paced online course
Grade 6+ · Ages 11 and up
12 weeks · self-paced online course
Free online science courses, Kindergarten through Grade 5. Twelve weeks per grade.
Free online science course · 12 weeks
Pushes and pulls, sunshine and shade, what plants and animals need, and weather watching. Twelve weeks of hands-on science for kindergarten.
Free online science course · 12 weeks
Sound and light, plant and animal parts, parents and young, and patterns in the sky. Twelve weeks of hands-on science for 1st graders.
Free online science course · 12 weeks
Materials and their properties, heating and cooling, seeds and habitats, and how land and water change. Twelve weeks of hands-on science for 2nd graders.
Free online science course · 12 weeks
Forces and magnets, life cycles and traits, fossils, and weather and climate. Twelve weeks of hands-on science for 3rd graders.
Free online science course · 12 weeks
Energy, waves and light, plant and animal structures, and rock layers and Earth's features. Twelve weeks of hands-on science for 4th graders.
Free online science course · 12 weeks
Particles and matter, gravity, food webs, Earth's systems, and stars and shadows. Twelve weeks of hands-on science for 5th graders.
A free online engineering course: 12 build challenges with paper, tape and cardboard.
Free online engineering course · 12 weeks
Towers, bridges, paper airplanes, parachutes, marble runs and balloon cars. Twelve weeks of build, test and improve with household materials.
A free online astronomy course: 12 sky missions you can see from your own backyard.
Free online astronomy course · 12 missions
Moon phases, the North Star, planets and star patterns, meteors and dark skies. Twelve sky missions for the backyard.
A free online science course about the human body: bones, muscles, heart, lungs and senses.
Free online body science course · 12 weeks
Senses, bones, muscles, heartbeat and breathing, food and healthy habits. Read aloud, tap to answer.
Free online body systems course · 12 weeks
Cells to systems: skeleton, muscles, heart, lungs, digestion, brain, senses and the body's defenders.
A free online plant science and gardening course: seeds, roots, leaves, flowers, bees and soil.
Free online plant science course · 12 weeks
Seeds, sprouts, roots, leaves, flowers and bees, soil and worms. Read aloud, tap to answer.
Free online plant science course · 12 weeks
Germination, photosynthesis, pollinators, traits, soil and decomposers, and a garden design challenge.
A free online AI literacy course: what AI is, how it learns and when to double-check it, with Nova.
Free online AI literacy course · 12 weeks
Computer senses, pixels, sorting, patterns and learning from examples. Read aloud, tap to answer, all unplugged.
Free online AI literacy course · 12 weeks
Pixels as numbers, features, training data, testing and fair data. Train and test a paper model, then learn to use AI wisely.
Free online AI literacy course · 12 weeks
Decision trees, train-test-refine, three kinds of bias, generative AI, synthetic media and an AI review board. All unplugged.
Free online AI literacy elective · 12 weeks
How models learn and write, testing, bias, privacy, security, synthetic media and human oversight. Ends with a model card and risk review. All unplugged.
A free online bicycle science course: forces, friction, gears, brakes, helmets and a safe pre-ride check.
Free online bicycle science course · 12 weeks
Forces, friction, tires, gears, brakes, helmets, reflectors, a flat tire and a design challenge.
A free online outdoor science course: birds, bugs, plants, animal signs, seasons and a field guide for your own region.
Free online outdoor science course · 12 weeks
Birds, bugs, plants, furry neighbors, animal homes, weather and seasons. Read aloud, tap to answer.
Free online outdoor science course · 12 weeks
Field notebooks, habitat maps, food webs, life cycles, migration data and a citizen science finish.
A free online course on how the things at home work: a zipper, a lock, a faucet, a toilet, a light switch, a fridge, a car and an elevator.
Free online home machines course · 12 weeks
Zippers, locks, faucets, toilets, switches, fridges, thermostats, springs, cars and elevators, opened up.
A free online weather and climate course for Grades 6 to 8: a home weather station, real NOAA and NASA data, and what makes weather, storms and climate.
Free online weather and climate course · 12 weeks
A home weather station, pressure, wind, clouds, fronts, storm safety and the climate record, from real data.
A free online chemistry course for Grades 6 to 8: a kitchen-table bench, atoms and states of matter, density, mixtures, chemical change, acids and bases, and a design project.
Free online chemistry course · 12 weeks
A kitchen-table chemistry bench: atoms, states of matter, density, mixtures, reactions, acids and bases, and a design project.
A free online physics course for Grades 6 to 8: speed, forces, gravity, friction, energy and collisions measured in the backyard, plus a landing-pad design project.
Free online physics course · 12 weeks
A backyard physics field: speed, forces, gravity, friction, energy, collisions and a landing-pad design project.
A free online life-science course for Grades 6 to 8: cells, body systems, senses, photosynthesis, growth and reproduction strategies at a kitchen windowsill, plus a growing-station design project.
Free online life-science course · 12 weeks
A kitchen-windowsill life-science lab: cells, body systems, senses, photosynthesis, growth, reproduction strategies and a growing-station design project.
A free online Earth and space science course for Grades 6 to 8: day and night, Moon phases, eclipses, seasons, gravity, the scale of the solar system, rocks, rock layers and deep time, modeled with a lamp, a ball and a jar of sand, plus a solar-system model design project.
Free online Earth and space science course · 12 weeks
A porch-step space lab: day and night, Moon phases, eclipses, seasons, gravity, the scale of the solar system, rocks, deep time and a solar-system model design project.
A free online middle-school math course for Grades 6 to 8: ratios, rates and speed, percents, dividing fractions, decimals, negative numbers, proportional relationships, statistics and probability, worked out with counters, paper strips, a tape measure and a timer, plus a Data Fair project.
Free online middle-school math course · 12 weeks
A kitchen-table math lab: ratios, rates, percents, fractions, decimals, negative numbers, proportional relationships, statistics, probability and a Data Fair.
A free online middle-school algebra course for Grades 6 to 8: powers, variables, equivalent expressions, equations and inequalities, slope, linear functions, systems of equations and scientific notation, worked out with a coat-hanger balance, envelopes, beans and graph paper, plus a Puzzle Night project.
Free online middle-school algebra course · 12 weeks
A garage-corner algebra workshop: powers, variables, equivalent expressions, equations and inequalities, slope, linear functions, systems, scientific notation and a Puzzle Night.
A free online middle-school geometry course for Grades 6 to 8: area by cutting and composing, nets and volume, scale drawings, triangles, circles, angles, slides, flips, turns and dilations, the Pythagorean theorem and round solids, worked out with cardboard, string, a tape measure and graph paper, plus a Build Day project.
Free online middle-school geometry course · 12 weeks
A garage design studio: area, nets, volume, scale drawings, circles, angles, slides, flips, turns and dilations, the Pythagorean theorem, round solids and a Build Day.
A free online middle-school English language arts course for Grades 6 to 8: cite evidence, find theme and central idea, follow plot and character, weigh word choice and point of view, read informational texts, trace arguments, and write a narrative, an explanation and an argument for The Signal, the crew's neighborhood paper, plus a Press Day each week.
Free online middle-school English language arts course · 12 weeks
A porch newsroom: evidence, theme, plot and character, word choice, point of view, informational texts, arguments, and writing a story, an explanation and an argument for Press Day.
A free online high-school Algebra 1 course for Grades 9 to 12: units and expressions, linear equations and inequalities, functions, linear graphs and models, sequences, systems, exponents and exponential change, polynomials, factoring, quadratic equations and graphs, and lines of best fit, built around a ramp course and a bottle-rocket launcher for a neighborhood Maker Fair.
Free online high-school algebra course · 12 weeks
A garage-loft workshop: equations, functions, systems, exponents, polynomials, factoring, quadratics and lines of best fit, for a ramp course and a bottle rocket.
A free online high-school Geometry course for Grades 9 to 12: definitions and constructions, rigid motions and symmetry, congruence, proof, dilations and similarity, right-triangle trigonometry, circles, coordinate geometry, equations of circles and parabolas, volume and geometric modeling, built around the set the crew designs for a community theater.
Free online high-school geometry course · 12 weeks
A theater scene shop: constructions, rigid motions, congruence, proof, similarity, trigonometry, circles, coordinates and volume, for the set of the spring show.
A free online high-school Algebra 2 course for Grades 9 to 12: complex numbers, polynomial functions and division, rational and radical equations, inverse functions, exponentials and geometric series, logarithms, the function toolkit, trigonometry on the unit circle, periodic models, conditional probability and statistical inference, built around the greenhouse the crew restores for a spring Open House.
Free online high-school algebra course · 12 weeks
A greenhouse restored for Open House: complex numbers, polynomials, rational and radical equations, exponentials, logarithms, the unit circle, probability and inference.