6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE13a-16 or 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of October 2020

Commission File Number 001-35001

AVALON ADVANCED MATERIALSINC. (Translation of registrant’s name into English)

130 Adelaide Street West Suite #1901 Toronto, Ontario M5H 3P5 (Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F

Form 20-F [X]        Form 40-F [   ]

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): [   ]

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): [   ]

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant’s security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

EXHIBIT INDEX

Avalon Advanced Materials Inc.: Exhibit 99.1 - Filed by newsfilecorp.com

Avalon to Extend Expiry Date of 2,187,500 Warrants

Toronto, ON - Avalon Advanced Materials Inc. **** (TSX: AVL and OTCQB: AVLNF) ("Avalon" or the "Company") is pleased to announce that it intends to extend the expiry date of a total of 2,187,500 outstanding share purchase warrants of the Company, each of which is exercisable to acquire one common share of the Company at a price of $0.12 per share (collectively, the "Warrants"). The Warrants were issued in two tranches pursuant to a private placement completed in November 2018, and are set to expire in November, 2020.

The Company intends to extend the expiry date of the remaining 1,900,000 Warrants from the first tranche from November 1, 2020 to November 1, 2021, and the expiry date of the remaining 287,500 Warrants from the second tranche from November 23, 2020 to November 23, 2021. All other terms and conditions of the Warrants remain unchanged.  None of the outstanding warrants are held by insiders.

The Company expects the Warrant extension to become effective on or before October 30, 2020, subject to the requisite approval of the Toronto Stock Exchange.

About Avalon Advanced Materials Inc.

Avalon Advanced Materials Inc. is a Canadian mineral development company specializing in sustainably-produced materials for clean technology. The Company now has four advanced stage projects, providing investors with exposure to lithium, tin and indium, as well as rare earth elements, tantalum, cesium and zirconium. Avalon is currently focusing on developing its Separation Rapids Lithium Project near Kenora, Ontario while looking at several new project opportunities, including re-activating its 100%-owned Lilypad Cesium-Tantalum-Lithium Project in northwestern Ontario. Social responsibility and environmental stewardship are corporate cornerstones.

For questions and feedback, please e-mail the Company at [email protected].

This news release contains forward-looking statements, which relate to future events and reflect management's current expectations and assumptions, including that the Warrants will be extended and that the Company will be successful in obtaining the requisite approval from the Warrant holders and the Toronto Stock Exchange. Investors are cautioned that these forward looking statements are subject to risks and uncertainties that may cause future results to differ materially from those expected, including that the Company is unsuccessful in obtaining all requisite approvals for the Warrant extension, or the timing for the Warrant extension being delayed. These forward-looking statements are made as of the date hereof and, except as required under applicable securities legislation, the Company does not assume any obligation to update or revise them to reflect new events or circumstances. All of the forward-looking statements made in this press release are qualified by these cautionary statements and by those made in the Company's filings with SEDAR in Canada available at www.sedar.com*.*