Best Online Tutoring And Test Prep Services

Professional online tutoring and test prep providers and services with expert reviews and rankings.

Last updated: August 2025Expert reviewed
#1

Chegg Tutors

4.5
Best Overall
$15-$20/hour (pay-per-minute option available)
Starting price

Chegg offers on-demand tutoring across a wide range of subjects with verified expert tutors. The platform provides 24/7 access to tutors with strong focus on STEM subjects and test preparation.

Customer Support
4
Value for Money
4
Reliability
5
Ease of Use
5

Pros

  • 24/7 availability of tutors
  • Pay-per-minute pricing option
  • Wide range of subjects covered
  • Verified expert tutors
  • Integration with Chegg Study resources

Cons

  • Quality can vary between tutors
  • Higher pricing for advanced subjects
  • Limited free resources
  • Occasional connectivity issues

Key Features

On-demand tutoringWhiteboard collaborationSession recordingMobile app accessSubject-specific expertsTest prep packages
2.9 million subscribers customersEst. 2005
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#2

Khan Academy

4.7
Free (donation-supported)
Starting price

A non-profit educational platform offering completely free courses and test preparation materials. Known for its comprehensive video library and practice exercises across all academic levels.

Customer Support
3
Value for Money
5
Reliability
5
Ease of Use
5

Pros

  • Completely free access
  • Extensive video library
  • Excellent for self-paced learning
  • Comprehensive test prep materials
  • Trusted educational content

Cons

  • No live one-on-one tutoring
  • Limited personalized feedback
  • No direct instructor interaction
  • Less structured than paid alternatives

Key Features

Free video lessonsPractice exercisesSAT/ACT test prepProgress trackingMobile appTeacher tools
18+ million monthly users customersEst. 2008
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#3

The Princeton Review

4.3
$40-$200/hour (packages available)
Starting price

A premier test preparation and tutoring service known for exceptional results in standardized testing. Offers both private tutoring and classroom-style courses with guaranteed score improvements.

Customer Support
5
Value for Money
3
Reliability
5
Ease of Use
4

Pros

  • Proven track record with score improvements
  • Expert tutors with extensive training
  • Comprehensive materials and resources
  • Score improvement guarantee
  • Flexible scheduling options

Cons

  • Premium pricing
  • Less focus on non-test subjects
  • Can be intensive and demanding
  • Limited subject variety outside test prep

Key Features

SAT/ACT test prepAP exam preparationPrivate tutoringSmall group classesScore guaranteeDiagnostic testing
4+ million students served customersEst. 1981
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#4

Wyzant

4.2
$20-$100+/hour (tutor-set rates)
Starting price

A tutoring marketplace connecting students with independent tutors across numerous subjects. Offers flexibility in pricing and tutor selection with built-in virtual classroom tools.

Customer Support
4
Value for Money
4
Reliability
3
Ease of Use
4

Pros

  • Wide range of tutor choices
  • Flexible pricing options
  • Good for finding local tutors
  • Satisfaction guarantee
  • Broad subject coverage

Cons

  • Quality varies significantly
  • No standardized curriculum
  • Vetting process less rigorous
  • Communication depends on individual tutors

Key Features

Tutor marketplaceVirtual whiteboardFile sharingSession recordingMobile appPayment protection
1.5+ million students customersEst. 2005
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#5

Varsity Tutors

4.0
$60-$100/hour (packages available)
Starting price

A comprehensive tutoring platform offering both on-demand and scheduled sessions across all academic subjects and test preparation. Known for its rigorous tutor vetting process and learning platform.

Customer Support
4
Value for Money
3
Reliability
4
Ease of Use
4

Pros

  • Strong tutor vetting process
  • Comprehensive learning platform
  • Good for specialized subjects
  • Flexible scheduling
  • Mobile app functionality

Cons

  • Higher price point
  • Limited free resources
  • Can be overwhelming for simple needs
  • Contract requirements for best rates

Key Features

Live learning platformOn-demand tutoringTest preparationAcademic tutoringMobile appLearning assessments
500,000+ students customersEst. 2007
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Our Review Methodology

How We Score

  • • Customer Support (25%)
  • • Value for Money (25%)
  • • Reliability (25%)
  • • Ease of Use (25%)

Research Process

  • • Expert analysis and testing
  • • Customer review analysis
  • • Feature comparison
  • • Pricing evaluation