diff --git a/src/jsonLanguageService.ts b/src/jsonLanguageService.ts
index 1e2e54fa..dc3b143d 100644
--- a/src/jsonLanguageService.ts
+++ b/src/jsonLanguageService.ts
@@ -10,7 +10,7 @@ import { JSONValidation } from './services/jsonValidation';
 import { JSONDocumentSymbols } from './services/jsonDocumentSymbols';
 import { parse as parseJSON, newJSONDocument } from './parser/jsonParser';
 import { schemaContributions } from './services/configuration';
-import { JSONSchemaService } from './services/jsonSchemaService';
+import { ISchemaHandle, JSONSchemaService } from './services/jsonSchemaService';
 import { getFoldingRanges } from './services/jsonFolding';
 import { getSelectionRanges } from './services/jsonSelectionRanges';
 import { sort } from './utils/sort';
@@ -24,7 +24,7 @@ import {
 	FoldingRange, JSONSchema, SelectionRange, FoldingRangesContext, DocumentSymbolsContext, ColorInformationContext as DocumentColorsContext,
 	TextDocument,
 	Position, CompletionItem, CompletionList, Hover, Range, SymbolInformation, Diagnostic,
-	TextEdit, FormattingOptions, DocumentSymbol, DefinitionLink, MatchingSchema, JSONLanguageStatus, SortOptions
+	TextEdit, FormattingOptions, DocumentSymbol, DefinitionLink, MatchingSchema, JSONLanguageStatus, SortOptions, SchemaConfiguration
 } from './jsonLanguageTypes';
 import { findLinks } from './services/jsonLinks';
 import { DocumentLink } from 'vscode-languageserver-types';
@@ -41,6 +41,8 @@ export interface LanguageService {
 	parseJSONDocument(document: TextDocument): JSONDocument;
 	newJSONDocument(rootNode: ASTNode, syntaxDiagnostics?: Diagnostic[]): JSONDocument;
 	resetSchema(uri: string): boolean;
+	registerExternalSchema(config: SchemaConfiguration): ISchemaHandle;
+	clearExternalSchema(uri:string): void;
 	getMatchingSchemas(document: TextDocument, jsonDocument: JSONDocument, schema?: JSONSchema): Thenable<MatchingSchema[]>;
 	getLanguageStatus(document: TextDocument, jsonDocument: JSONDocument): JSONLanguageStatus;
 	doResolve(item: CompletionItem): Thenable<CompletionItem>;
@@ -77,6 +79,8 @@ export function getLanguageService(params: LanguageServiceParams): LanguageServi
 			jsonValidation.configure(settings);
 		},
 		resetSchema: (uri: string) => jsonSchemaService.onResourceChange(uri),
+		registerExternalSchema: jsonSchemaService.registerExternalSchema.bind(jsonSchemaService),
+    		clearExternalSchema: jsonSchemaService.clearExternalSchema.bind(jsonSchemaService),
 		doValidation: jsonValidation.doValidation.bind(jsonValidation),
 		getLanguageStatus: jsonValidation.getLanguageStatus.bind(jsonValidation),
 		parseJSONDocument: (document: TextDocument) => parseJSON(document, { collectComments: true }),
diff --git a/src/services/jsonSchemaService.ts b/src/services/jsonSchemaService.ts
index eabfbacd..21d710e0 100644
--- a/src/services/jsonSchemaService.ts
+++ b/src/services/jsonSchemaService.ts
@@ -21,6 +21,11 @@ export interface IJSONSchemaService {
 	 */
 	registerExternalSchema(config: SchemaConfiguration): ISchemaHandle;
 
+	/**
+	 * Clear a secific schema
+	 */
+	clearExternalSchema(uri:string): void;
+
 	/**
 	 * Clears all cached schema files
 	 */
@@ -361,6 +366,18 @@ export class JSONSchemaService implements IJSONSchemaService {
 		return config.schema ? this.addSchemaHandle(id, config.schema) : this.getOrAddSchemaHandle(id);
 	}
 
+	public clearExternalSchema(uri: string): void {
+		const normalizedUri = normalizeId(uri);
+		if (this.schemasById[normalizedUri] && this.registeredSchemasIds[normalizedUri]) {
+			delete this.schemasById[normalizedUri];
+			delete this.registeredSchemasIds[normalizedUri];
+			this.filePatternAssociations = this.filePatternAssociations.filter(
+		  		(association) => !association.getURIs().includes(normalizedUri)
+			);
+			this.cachedSchemaForResource = undefined;
+		}
+	  }
+
 	public clearExternalSchemas(): void {
 		this.schemasById = {};
 		this.filePatternAssociations = [];
diff --git a/src/test/schema.test.ts b/src/test/schema.test.ts
index f83b520b..2a2eba7d 100644
--- a/src/test/schema.test.ts
+++ b/src/test/schema.test.ts
@@ -1037,6 +1037,53 @@ suite('JSON Schema', () => {
 
 	});
 
+	test('Clear specific Schema',async function(){
+		const service = new SchemaService.JSONSchemaService(newMockRequestService(), workspaceContext);
+		const id1 = 'http://myschemastore/test1';
+		const schema1: JSONSchema = {
+			type: 'object',
+			properties: {
+				child: {
+					type: 'number'
+				}
+			}
+		};
+
+		const id2 = 'http://myschemastore/test2';
+		const schema2: JSONSchema = {
+			type: 'object',
+			properties: {
+				child: {
+					type: 'string'
+				}
+			}
+		};
+
+		const id3 = 'http://myschemastore/test3';
+		const schema3: JSONSchema = {
+			type: 'object',
+			properties: {
+				child: {
+					type: 'boolean'
+				}
+			}
+		};
+
+		service.registerExternalSchema({ uri: id1, schema: schema1,fileMatch:['*.json'] });
+		service.registerExternalSchema({ uri: id2, schema: schema2,fileMatch:['*.json'] });
+		service.registerExternalSchema({ uri: id3, schema: schema3,fileMatch:['*.json'] });
+
+		let resolvedSchema = await service.getSchemaForResource('main.json');
+		assert.deepStrictEqual(resolvedSchema?.errors, []);
+		assert.strictEqual(3, resolvedSchema?.schema.allOf?.length);
+		service.clearExternalSchema(id1);
+		
+		resolvedSchema = await service.getSchemaForResource('main.json');
+		assert.deepStrictEqual(resolvedSchema?.errors, []);
+		assert.strictEqual(2, resolvedSchema?.schema.allOf?.length);
+
+	});
+
 	test('Schema contributions', async function () {
 		const service = new SchemaService.JSONSchemaService(newMockRequestService(), workspaceContext);
 
@@ -1976,4 +2023,62 @@ suite('JSON Schema', () => {
 
 	});
 
+	test('Validation on Multiple Schemas',async function(){
+			const id1 = 'http://myschemastore/test1';
+			const schema1: JSONSchema = {
+				type: 'object',
+				properties: {
+					foo: {
+						type: 'number'
+					}
+				},
+				required:['foo']
+			};
+	
+			const id2 = 'http://myschemastore/test2';
+			const schema2: JSONSchema = {
+				type: 'object',
+				properties: {
+					bar: {
+						type: 'number'
+					}
+				},
+				required:['bar']
+			};
+	
+			const id3 = 'http://myschemastore/test3';
+			const schema3: JSONSchema = {
+				type: 'object',
+				properties: {
+					foobar: {
+						type: 'number'
+					}
+				},
+				required:['foobar']
+			};
+
+			const testDoc = toDocument(JSON.stringify({}),{},'main.json');
+
+			const ls = getLanguageService({ workspaceContext });
+			ls.registerExternalSchema({ uri: id1, schema: schema1,fileMatch:['*.json'] });
+			ls.registerExternalSchema({ uri: id2, schema: schema2,fileMatch:['*.json'] });
+			ls.registerExternalSchema({ uri: id3, schema: schema3,fileMatch:['*.json'] });
+			
+			let validation = await ls.doValidation(testDoc.textDoc, testDoc.jsonDoc);
+			assert.deepStrictEqual(validation.length, 3);
+			assert.deepStrictEqual(validation.map(v => v.message), ['Missing property "foo".','Missing property "bar".','Missing property "foobar".']);
+			
+			ls.clearExternalSchema(id1);
+			validation = await ls.doValidation(testDoc.textDoc, testDoc.jsonDoc);
+			assert.deepStrictEqual(validation.length, 2);
+			assert.deepStrictEqual(validation.map(v => v.message), ['Missing property "bar".','Missing property "foobar".']);
+			
+			ls.clearExternalSchema(id2);
+			ls.clearExternalSchema(id3);
+			validation = await ls.doValidation(testDoc.textDoc, testDoc.jsonDoc);
+			assert.deepStrictEqual(validation.length, 0);
+			assert.deepStrictEqual(validation.map(v => v.message), []);
+
+	});
+
 });