Black Friday Sale

Due to high customer interest, we've extended our Black Friday sale through Dec 12 at 11:59pm USA Eastern Time.

Use code THX20 for , and THX50 for .

7d 17h 36m 15s

Enroll in Upcoming Courses

LIVE tuition is just under $23/hour per student.

Beginner: Grades 5–8

Intermediate: Grades 7–9

Advanced: Grades 8–11

All times listed are in your local time zone.

Sessions Starting in December
Icon for Introduction (Beginner)
Introduction (Beginner)

Module 0

From 12/3 to 4/28

W/Tu 12–1am

Time will change because your country's Daylight Savings Time differs. This session changes with USA DST.

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Icon for Introduction (Beginner)
Introduction (Beginner)

Module 0

From 12/6 to 5/2

Sa 1–2am

Time will change because your country's Daylight Savings Time differs. This session changes with USA DST.

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Icon for Combinatorics (Advanced)
Combinatorics (Advanced)

Module 4

From 12/7 to 5/3

Su 12:30–2:00am

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Icon for Combinatorics (Advanced)
Combinatorics (Advanced)

Module 4

From 12/7 to 5/17

Su 11:30am–1:00pm

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Sessions Starting in January
Icon for Introduction (Beginner)
Introduction (Beginner)

Module 0

From 1/16 to 5/28

F/Th 12:30–1:30am

Time will change because your country's Daylight Savings Time differs. This session changes with USA DST.

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Icon for Algebra Basics (Beginner)
Algebra Basics (Beginner)

Module 1

From 1/27 to 6/15

Tu/M 12:30–1:30am

Time will change because your country's Daylight Savings Time differs. This session changes with USA DST.

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Icon for Geometry (Intermediate)
Geometry (Intermediate)

Module 2

From 1/31 to 6/27

Sa 12:30–1:45am

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Icon for Number Theory (Advanced)
Number Theory (Advanced)

Module 5

From 1/31 to 6/27

Sa 12:30–2:00am

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Sessions Starting in February
Icon for Algebra Tools (Intermediate)
Algebra Tools (Intermediate)

Module 3

From 2/7 to 6/27

Sa 7:00–8:30pm

Time will change because your country's Daylight Savings Time differs. This session changes with USA DST.

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Icon for Introduction (Beginner)
Introduction (Beginner)

Module 0

From 2/8 to 6/28

Su 12–1am

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Icon for Algebra Tools (Intermediate)
Algebra Tools (Intermediate)

Module 3

From 2/8 to 6/28

Su 12:30–2:00am

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Icon for Combinatorics (Advanced)
Combinatorics (Advanced)

Module 4

From 2/8 to 6/28

Su 12:30–2:00am

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Icon for Algebra Basics (Beginner)
Algebra Basics (Beginner)

Module 1

From 2/8 to 6/28

Su 1:30–2:30am

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Icon for Geometry (Intermediate)
Geometry (Intermediate)

Module 2

From 2/19 to 7/1

Th/W 12:30–1:45am

Time will change because your country's Daylight Savings Time differs. This session changes with USA DST.

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Custom Request

If none of these dates, times, and levels work for you, just submit a custom request. We will open new class dates and times when enough people submit overlapping requests.

Submit Custom Request

Self-Paced

For students who want to learn a subject sooner than a LIVE course matches their schedule, our self-paced version contains all of Prof. Loh's teaching on the subject (without live teaching). This is available on our self-paced course platform, where thousands of students have learned over the past 3 years.

Icon for Introduction (Beginner)
Introduction (Beginner)

Module 0

20 hours, systematic foundation

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Icon for Algebra Basics (Beginner)
Algebra Basics (Beginner)

Module 1

20 hours, systematic foundation

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Icon for Algebra Basics Workout 1A (Beginner)
Algebra Basics Workout 1A (Beginner)

Workout 1A

15 hours, creative practice

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Icon for Algebra Basics Workout 1B (Beginner)
Algebra Basics Workout 1B (Beginner)

Workout 1B

15 hours, creative practice

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Icon for Geometry (Intermediate)
Geometry (Intermediate)

Module 2

25 hours, systematic foundation

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Icon for Geometry Workout 2A (Intermediate)
Geometry Workout 2A (Intermediate)

Workout 2A

15 hours, creative practice

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Icon for Algebra Tools (Intermediate)
Algebra Tools (Intermediate)

Module 3

30 hours, systematic foundation

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Icon for Algebra Tools Workout 3A (Intermediate)
Algebra Tools Workout 3A (Intermediate)

Workout 3A

15 hours, creative practice

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Icon for Combinatorics (Advanced)
Combinatorics (Advanced)

Module 4

30 hours, systematic foundation

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Icon for Combinatorics Workout 4A (Advanced)
Combinatorics Workout 4A (Advanced)

Workout 4A

15 hours, creative practice

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Icon for Number Theory (Advanced)
Number Theory (Advanced)

Module 5

30 hours, systematic foundation

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Icon for Number Theory Workout 5A (Advanced)
Number Theory Workout 5A (Advanced)

Workout 5A

15 hours, creative practice

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Refund Policy

No refund requests will be accepted after the student’s third LIVE session starts; Refund amount: 90% refund in the original payment method or 100% refund in course credits.

Contact Us

We'd love to talk. We want to help you find the best learning resources for your students. If it's not ours, we'll point you elsewhere. We understand the landscape, and created LIVE because we know it's the best fit for many students. Email us any time at course-consulting@poshenloh.com, or book a free 30-minute consultation call:

book free call

To stay up to date on opportunities, join our email newsletter for busy parents, which sends timely information on math and education every two weeks.

Free Trial Class

Experience our interactive learning style by joining a real class. We regularly offer 1-hour sessions which are run in the exact same way as our regular lessons. The trial class covers the first day of material from one of our introductory courses, which is normally a $23 value.

Upcoming times (listed in your time zone). Grayed-out sessions are full. Click to register: