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A former quarry and listed buildings could be redeveloped to build a new school and up to 200 houses.
Developers have submitted a scoping opinion to Medway Council for plans on land in Frindsbury.
The new school - a six-form entry secondary school - would also include a Sixth Form on the site off Parsonage Lane.
Manor Farm Barn - a Grade I-listed 14th century building - lying within the 17 hectare area would be converted into a wedding and conference venue.
The land also includes two properties called Manor Farm Oast and Manor House, which are Grade II-listed.
Listed buildings are designated by Historic England as structures which cannot be demolished, extended, or altered without special permission from the local planning authority.
Heritage Design and Development Team Ltd are behind the application and are working with the Department for Education.
The scoping opinion will assess the environmental impact of any potential development prior to a full planning application being submitted.
Under the plans, access to the development would be via Frindsbury Hill on the A228 and Parsonage Lane, whilst Manor Farm Barn would be accessed from Berwick Way.
A report sent to the council states: "The proposed development would be in part be constructed on top of the quarry once back filled.
"This back filling may coincide with the construction and operation of elements of the proposed development."
A consultation has been launched on the plans which is open until Tuesday, December 10.
View the document by searching MC/19/2979 on the council's online planning portal at publicaccess1.medway.gov.uk/online-applications