UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

POST-EFFECTIVE AMENDMENT NO. 2

TO

FORM S-8

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

17 Education & Technology Group Inc.

(Exact name of registrant as specified in its charter)

16/F, Block B, Wangjing Greenland Center

Chaoyang District, Beijing 100102

People’s Republic of China

(Address of Principal Executive Offices and Zip Code)

Sixth Amended and Restated 2015 Share Option Plan

Third Amended and Restated 2018 Share Option Plan

Second Amended and Restated 2020 Share Incentive Plan

(Full title of the plan)

Cogency Global Inc.

122 East 42nd Street, 18th Floor

New York, NY 10168

+1 800 221-0102

(Name, address, including zip code, and telephone number, including area code, of agent for service)

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Securities Exchange Act of 1934 (the “Exchange Act”).

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act of 1933, as amended (the “Securities Act”). x

Copies to:

EXPLANATORY NOTE

This Post-Effective Amendment No. 2 (the “Amendment”) to Registration Statement on Form S-8 of 17 Education & Technology Group Inc. (the “Company”), as originally filed on April 30, 2021 and amended on March 10, 2022 (as amended, the “Registration Statement”), is being filed to amend the exhibit index set forth in the Registration Statement to reflect the amendments and restatements of several share option and incentive plans the Company previously adopted.

Effective on April 23, 2025, the board of directors of the Company approved amendments to extend the expiration dates of the outstanding options grants and the overall term of each of the following plans to December 31, 2035, with no other substantive amendments made:

The Sixth Amended and Restated 2015 Share Option Plan, the Third Amended and Restated 2018 Share Option Plan and the Second Amended and Restated 2020 Share Incentive Plan are incorporated by reference herein as Exhibits 10.1, 10.2 and 10.3 and replace previous Exhibits 10.1, 10.2 and 10.3 of the Registration Statement. No additional securities are being registered. No changes have been made to the Registration Statement other than this explanatory note and exhibit index of the Registration Statement.

EXHIBIT INDEX

† Previously filed.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Post-Effective Amendment No. 2 to the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in Beijing, China, on June 20, 2025.

Pursuant to the requirements of the Securities Act of 1933, as amended, this Post-Effective Amendment No. 2 to the Registration Statement has been signed by the following persons in the capacities on June 20, 2025.

SIGNATURE OF AUTHORIZED REPRESENTATIVE IN THE UNITED STATES

Pursuant to the Securities Act of 1933, as amended, the undersigned, the duly authorized representative in the United States of 17 Education & Technology Group Inc. has signed this Post-Effective Amendment No. 2 to the Registration Statement in New York, New York on June 20, 2025.