What Reviewers Say

Khan Academy receives consistent praise as a free, high-quality educational resource, particularly strong in mathematics from kindergarten through calculus. Cathy Duffy notes that K-8 math courses are 'very easy to navigate' with 'brief videos' ideal for students who 'grasp concepts without a lot of explanation' or those with gaps who need to catch up quickly. However, reviewers consistently note limitations: the lack of cumulative review may hinder retention, language arts coverage is minimal (no grammar or composition), and science courses lack lab components. The self-paced, video-based format works well for independent learners but can feel 'dull and repetitive' according to Modulo.app (rating: 61/100). Parents of children with autism report success with the topic-based progression and gamification elements. The consensus view is that Khan Academy excels as a supplemental resource but may not provide sufficient depth or practice as a standalone curriculum for all learners.

How It Works

A student typically logs in to their dashboard, selects their active course, and watches a five-to-ten minute video explanation for a specific skill. Following the video, the child completes a series of four to seven practice problems, receiving instant feedback and digital 'energy points' for correct answers. Parents usually act as facilitators, checking the teacher dashboard once or twice a week to monitor progress bars and identify specific areas where the child is struggling. Most families use the platform for 15 to 30 minutes a day, often as a digital supplement to a physical workbook, requiring only a tablet or computer with internet access and some scratch paper for calculations.

Switching to This?

Khan Academy does not offer a traditional diagnostic placement test; instead, students should take the 'Course Challenge' found at the bottom of any grade-level page to identify which skills they have already mastered. Most families start by selecting the child's current grade level and using these challenges to skip familiar material, focusing only on the specific units where the child lacks proficiency. Because the platform is modular and self-paced, families can easily transition mid-year or use it during summer breaks to fill learning gaps without needing to start a book from page one. If switching from a traditional textbook, parents should expect a shift from long problem sets to short, focused bursts of practice that require a high degree of mastery to move forward.

Curriculum Details

Price

$0 - $44

Core platform is completely free including all video lessons, practice problems, and progress tracking. Optional Khanmigo AI tutor subscription available at $4/month or $44/year for personalized tutoring assistance. Free Khanmigo access for teachers. Some states (e.g., New Hampshire) have statewide free access to Khanmigo.

Grades

K - 12

Available As

Digital Internet required

Coverage

Supplement

Subjects

Math Science Computer Science

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Pacing

Self-paced

Parent Time

0-30 min/day

Parent Involvement

None

Student Independence

Fully independent

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Academic Level

Grade level

Worldview

Secular

Parent Role:

Monitor progress. Student works independently with video instruction.

Videos

Reviews We Consulted

Updated: March 2026

How This Compares

Compared to IXL, which provides massive banks of practice problems for a subscription fee, Khan Academy is entirely free and prioritizes instructional videos over repetitive drilling. When weighed against Teaching Textbooks, Khan Academy follows a 'mastery' approach where students move on once a skill is learned, whereas Teaching Textbooks uses a 'spiral' method that continuously reintroduces old concepts to ensure long-term retention. For parents considering Beast Academy, Khan Academy offers a standard and straightforward approach to math, while Beast Academy uses a complex comic-book style and difficult logic puzzles designed specifically for advanced learners. CTCMath is often compared for its video-based format, but it offers more detailed parent grading reports and a structured lesson-by-lesson sequence than Khan's more open-ended dashboard. Finally, unlike many formal curricula, Khan Academy lacks a physical component, meaning parents who want their children to practice handwriting or formal notation will need to supplement with a paper-based workbook.

Getting Started