diff --git a/apps/server/src/modules/school/repo/mikro-orm/school.repo.integration.spec.ts b/apps/server/src/modules/school/repo/mikro-orm/school.repo.integration.spec.ts
index 6351c36729c..fd882355274 100644
--- a/apps/server/src/modules/school/repo/mikro-orm/school.repo.integration.spec.ts
+++ b/apps/server/src/modules/school/repo/mikro-orm/school.repo.integration.spec.ts
@@ -1,9 +1,10 @@
 import { NotFoundError } from '@mikro-orm/core';
 import { EntityManager, ObjectId } from '@mikro-orm/mongodb';
 import { Test, TestingModule } from '@nestjs/testing';
+import { SortOrder } from '@shared/domain';
 import { SchoolEntity } from '@shared/domain/entity/school.entity';
 import { MongoMemoryDatabaseModule } from '@shared/infra/database';
-import { cleanupCollections, schoolFactory } from '@shared/testing';
+import { cleanupCollections, federalStateFactory, schoolFactory, systemFactory } from '@shared/testing';
 import { SCHOOL_REPO } from '../../domain';
 import { SchoolEntityMapper } from './mapper';
 import { SchoolMikroOrmRepo } from './school.repo';
@@ -36,24 +37,132 @@ describe('SchoolMikroOrmRepo', () => {
 		expect(repo.entityName).toBe(SchoolEntity);
 	});
 
-	describe('getAllSchools', () => {});
+	describe('getAllSchools', () => {
+		describe('when no query and options are given', () => {
+			const setup = async () => {
+				const entities = schoolFactory.buildList(3);
+				await em.persistAndFlush(entities);
+				em.clear();
+				const schools = entities.map((entity) => SchoolEntityMapper.mapToDo(entity));
+
+				return { schools };
+			};
+
+			it('should return all schools', async () => {
+				const { schools } = await setup();
+
+				const result = await repo.getAllSchools({});
+
+				expect(result).toEqual(schools);
+			});
+		});
+
+		describe('when query is given', () => {
+			const setup = async () => {
+				const someFederalStateId = new ObjectId().toHexString();
+				const federalState = federalStateFactory.buildWithId({}, someFederalStateId);
+				const entity1 = schoolFactory.build({ federalState });
+				const entity2 = schoolFactory.build();
+				await em.persistAndFlush([entity1, entity2]);
+				em.clear();
+				const schoolDo1 = SchoolEntityMapper.mapToDo(entity1);
+				const schoolDo2 = SchoolEntityMapper.mapToDo(entity2);
+
+				const query = { federalStateId: someFederalStateId };
+
+				return { schoolDo1, schoolDo2, query };
+			};
+
+			it('should return all schools matching query', async () => {
+				const { schoolDo1, schoolDo2, query } = await setup();
+
+				const result = await repo.getAllSchools(query);
+
+				expect(result).toContainEqual(schoolDo1);
+				expect(result).not.toContainEqual(schoolDo2);
+			});
+		});
+
+		describe('when pagination option is given', () => {
+			const setup = async () => {
+				const entities = schoolFactory.buildList(3);
+				await em.persistAndFlush(entities);
+				em.clear();
+				const schoolDos = entities.map((entity) => SchoolEntityMapper.mapToDo(entity));
+
+				const options = {
+					pagination: {
+						skip: 1,
+						limit: 1,
+					},
+				};
+
+				return { schoolDos, options };
+			};
+
+			it('should return schools matching pagination', async () => {
+				const { schoolDos, options } = await setup();
+
+				const result = await repo.getAllSchools({}, options);
+
+				expect(result).toEqual([schoolDos[1]]);
+			});
+		});
+
+		describe('when order option is given', () => {
+			const setup = async () => {
+				const entity1 = schoolFactory.build({ name: 'bbb' });
+				const entity2 = schoolFactory.build({ name: 'aaa' });
+				await em.persistAndFlush([entity1, entity2]);
+				em.clear();
+				const schoolDo1 = SchoolEntityMapper.mapToDo(entity1);
+				const schoolDo2 = SchoolEntityMapper.mapToDo(entity2);
+
+				const options = {
+					order: {
+						name: SortOrder.asc,
+					},
+				};
+
+				return { schoolDo1, schoolDo2, options };
+			};
+
+			it('should return schools in given order', async () => {
+				const { schoolDo1, schoolDo2, options } = await setup();
+
+				const result = await repo.getAllSchools({}, options);
+
+				expect(result).toEqual([schoolDo2, schoolDo1]);
+			});
+		});
+	});
 
 	describe('getSchool', () => {
 		it('should throw NotFound if entity is not found', async () => {
-			const someId = new ObjectId().toString();
+			const someId = new ObjectId().toHexString();
 
 			await expect(() => repo.getSchool(someId)).rejects.toThrow(NotFoundError);
 		});
 
-		it('should return school', async () => {
-			const entity = schoolFactory.build();
-			await em.persistAndFlush([entity]);
-			em.clear();
-			const school = SchoolEntityMapper.mapToDo(entity);
+		describe('when entity is found', () => {
+			const setup = async () => {
+				const systems = systemFactory.buildList(2);
+				const someId = new ObjectId().toHexString();
+				const entity = schoolFactory.buildWithId({ systems }, someId);
+				await em.persistAndFlush([entity]);
+				em.clear();
+				const schoolDo = SchoolEntityMapper.mapToDo(entity);
+
+				return { schoolDo, someId };
+			};
+
+			it('should return school with all refs populated', async () => {
+				const { schoolDo, someId } = await setup();
 
-			const result = await repo.getSchool(entity.id);
+				const result = await repo.getSchool(someId);
 
-			expect(result).toEqual(school);
+				expect(result).toEqual(schoolDo);
+			});
 		});
 	});
 });