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

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 or 15d-16 UNDER
THE
SECURITIES EXCHANGE ACT OF 1934

For the month of September, 2017

Commission File Number 001-35001

AVALON ADVANCED MATERIALS INC.
(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.

AVALON ADVANCED MATERIALS INC.

Date September 13, 2017    /s/ R. James Andersen
  R. James Andersen
  Chief Financial Officer and VP Finance


EXHIBIT INDEX

Exhibit  
Number Description
99.1 Notice of Change of Auditor Dated September 1, 2017
99.2 Letter from Former Auditor Dated September 5, 2017
99.3 Letter from Successor Auditor Dated September 7, 2017



AVALON ADVANCED MATERIALS INC.
NOTICE OF CHANGE OF AUDITORS PURSUANT TO
NATIONAL INSTRUMENT 51-102

TO: Ernst & Young LLP
   
AND TO: Deloitte LLP

CC: Alberta Securities Commission
  British Columbia Securities Commission
  Ontario Securities Commission
  Saskatchewan Financial Services Commission (Securities Division)
  Manitoba Securities Commission
  New Brunswick Securities Commission
  Nova Scotia Securities Commission
  Securities Commission of Newfoundland and Labrador
  Registrar of Securities, Prince Edward Island
  Securities Registry Northwest Territories

TAKE NOTICE THAT Avalon Advanced Materials Inc. (the “Company”) hereby provides notice pursuant to National Instrument 51-102 Continuous Disclosure Obligations (“NI 51-102”) of a change of auditors from Deloitte LLP (the “Former Auditors”), to Ernst & Young LLP, effective August 31, 2017.

TAKE FURTHER NOTICE THAT:

1.

The Former Auditors were requested to resign by the Company.

   
2.

The resignation of the Former Auditors and the appointment of Ernst & Young LLP in their place have been approved by the Board of Directors of the Company;

   
3.

There have been no reservations contained in the Former Auditors’ reports on any of the financial statements of the Company commencing at the beginning of the two most recently completed fiscal years and ending on August 31, 2016; and.

   
4.

There are no reportable events (as defined in 7(e) of NI 51-102).

   
5.

The Company has requested the Former Auditor and Ernst & Young LLP to each furnish a letter addressed to the securities administrators in each province in which the Company is a reporting issuer stating whether or not they agree with the information contained in this notice. A copy of each such letter to the securities administrators will be filed with this notice.

DATED as of this 1 st day of September, 2017.

AVALON ADVANCED MATERIALS INC.

  /s/ R. James Andersen
Name: R. James Andersen
Title: Vice President, Finance and Chief Financial Officer



  Deloitte LLP
  Bay Adelaide East
  22 Adelaide Street West
  Suite 200
  Toronto ON M5H 0A9
  Canada
   
  Tel: 416-601-6150
  Fax: 416-601-6151
  www.deloitte.ca

September 5, 2017

To the:
  Alberta Securities Commission
  British Columbia Securities Commission
  Ontario Securities Commission
  Saskatchewan Financial Services Commission (Securities Division)
  Manitoba Securities Commission
  New Brunswick Securities Commission
  Nova Scotia Securities Commission
  Securities Commission of Newfoundland and Labrador
  Registrar of Securities, Prince Edward Island
  Securities Registry Northwest Territories

Dear Sirs/Mesdames:

As required by subparagraph (5)(a)(ii) of section 4.11 of National Instrument 51-102, we have reviewed the change of auditor notice of Avalon Advanced Materials Inc. received on September 1, 2017 (the “Notice”) and, based on our knowledge of such information at this time, we agree with the statements contained in items 1, 3, 4 and 5, as it relates to us, and we have no basis to agree or disagree with statement 2 contained in the Notice.

Yours very truly,

/s/ Deloitte LLP

Chartered Professional Accountants
Licensed Public Accountants



Ernst&YoungLLP Tel:+14168641234
Ernst&YoungTower Fax:+14168641174
100AdelaideStreet ey.com
West  
Toronto,ONM5H1S3  

Alberta Securities Commission September 7, 2017
British Columbia Securities Commission  
Ontario Securities Commission  
Saskatchewan Financial Services Commission (Securities Division)  
Manitoba Securities Commission  
New Brunswick Securities Commission  
Nova Scotia Securities Commission  
Securities Commission of Newfoundland and Labrador  
Registrar of Securities, Prince Edward Island  
Securities Registry Northwest Territories  

Avalon Advanced Materials Inc. – Change in Auditors Notice

Re: Avalon Advanced Materials Inc.
  Change of Auditor Notice Dated September 1, 2017

Dear Sirs/Mesdames:

Pursuant to National Instrument 51-102 (Part 4.11), we have read the above-noted Change of Auditor Notice and confirm our agreement with the information contained in the Notice pertaining to our firm.

Yours sincerely,

(signed) ERNST & YOUNG LLP

Ernst & Young LLP
Chartered Professional Accountants
Licensed Public Accountants

cc:  The Board of Directors, Avalon Advanced Materials Inc.