diff --git a/UniversityContracts/ViewModels/ReportDiscipline.cs b/UniversityContracts/ViewModels/ReportDiscipline.cs
new file mode 100644
index 0000000..45a25c8
--- /dev/null
+++ b/UniversityContracts/ViewModels/ReportDiscipline.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace UniversityContracts.ViewModels
+{
+    public class ReportDiscipline
+    {
+        //выбираем дисциплину, выбираем период, отображаются студенты зачисленные через приказ в этот период со статусами обучения
+    }
+}
diff --git a/UniversityContracts/ViewModels/ReportStreamEducationGroup.cs b/UniversityContracts/ViewModels/ReportStreamEducationGroup.cs
new file mode 100644
index 0000000..9373391
--- /dev/null
+++ b/UniversityContracts/ViewModels/ReportStreamEducationGroup.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace UniversityContracts.ViewModels
+{
+    public class ReportStreamEducationGroup
+    {
+        // при выборе потока показывается список студентов на потоке и их статус обучения
+    }
+}
diff --git a/UniversityDataBaseImplemet/Database.cs b/UniversityDataBaseImplemet/Database.cs
index af816dd..3ec12e1 100644
--- a/UniversityDataBaseImplemet/Database.cs
+++ b/UniversityDataBaseImplemet/Database.cs
@@ -5,6 +5,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using UniversityDataBaseImplemet.Models;
+using Stream = UniversityDataBaseImplemet.Models.Stream;
 
 namespace UniversityDataBaseImplemet
 {
@@ -20,9 +21,15 @@ namespace UniversityDataBaseImplemet
         }
         public virtual DbSet<User> User { get; set; }
         public virtual DbSet<Document> Documents { get; set; }
+        public virtual DbSet<Discipline> Discipline { get; set; }
         public virtual DbSet<EducationStatus> EducationStatuses { get; set; }
+        public virtual DbSet<EducationGroup> EducationGroups { get; set; }
+        public virtual DbSet<EducationGroupDocument> EducationGroupsDocuments { get; set; }
+        public virtual DbSet<EducationGroupStream> EducationGroupsStreams { get; set; }
+        public virtual DbSet<Stream> Streams { get; set; }
         public virtual DbSet<Student> Students { get; set; }
         public virtual DbSet<StudentDocument> StudentDocuments { get; set; }
+        public virtual DbSet<StudentStream> StudentStreams { get; set; }
         public virtual DbSet<Role> Roles { get; set; }
     }
 }
diff --git a/UniversityDataBaseImplemet/Implements/DisciplineStorage.cs b/UniversityDataBaseImplemet/Implements/DisciplineStorage.cs
new file mode 100644
index 0000000..0040889
--- /dev/null
+++ b/UniversityDataBaseImplemet/Implements/DisciplineStorage.cs
@@ -0,0 +1,106 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using UniversityContracts.BindingModels;
+using UniversityContracts.SearchModels;
+using UniversityContracts.StoragesContracts;
+using UniversityContracts.ViewModels;
+using UniversityDataBaseImplemet.Models;
+
+namespace UniversityDataBaseImplemet.Implements
+{
+    public class DisciplineStorage:IDisciplineStorage
+    {
+        public DisciplineViewModel? GetElement(DisciplineSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new Database();
+            return context.Discipline
+                .FirstOrDefault(record => record.Id == model.Id
+                    || record.Name.Equals(model.Name))
+                ?.GetViewModel;
+        }
+        public List<DisciplineViewModel> GetFilteredList(DisciplineSearchModel model)
+        {
+            using var context = new Database();
+            if (model.Id.HasValue)
+            {
+                return context.Discipline
+                    .Where(record => record.Id.Equals(model.Id))
+                    .Select(record => record.GetViewModel)
+                    .ToList();
+            }
+            else if (model.UserId.HasValue)
+            {
+                return context.Discipline
+                   .Where(record => record.UserId == model.UserId)
+                   .Select(record => record.GetViewModel)
+                   .ToList();
+            }
+            else
+            {
+                return new();
+            }
+        }
+        public List<DisciplineViewModel> GetFullList()
+        {
+            using var context = new Database();
+            return context.Discipline
+                .Select(record => record.GetViewModel)
+                .ToList();
+        }
+        public DisciplineViewModel? Insert(DisciplineBindingModel model)
+        {
+            var newDiscipline = Discipline.Create(model);
+            if (newDiscipline == null)
+            {
+                return null;
+            }
+            using var context = new Database();
+            context.Discipline.Add(newDiscipline);
+            context.SaveChanges();
+            return newDiscipline.GetViewModel;
+        }
+        public DisciplineViewModel? Update(DisciplineBindingModel model)
+        {
+            using var context = new Database();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var stream = context.Discipline
+                    .FirstOrDefault(record => record.Id.Equals(model.Id));
+                if (stream == null)
+                {
+                    return null;
+                }
+                stream.Update(model);
+                context.SaveChanges();
+                transaction.Commit();
+                return stream.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public DisciplineViewModel? Delete(DisciplineBindingModel model)
+        {
+            using var context = new Database();
+            var stream = context.Discipline
+                .FirstOrDefault(record => record.Id.Equals(model.Id));
+            if (stream == null)
+            {
+                return null;
+            }
+            context.Discipline.Remove(stream);
+            context.SaveChanges();
+            return stream.GetViewModel;
+        }
+    }
+}
diff --git a/UniversityDataBaseImplemet/Implements/EducationGroupStorage.cs b/UniversityDataBaseImplemet/Implements/EducationGroupStorage.cs
new file mode 100644
index 0000000..644cb19
--- /dev/null
+++ b/UniversityDataBaseImplemet/Implements/EducationGroupStorage.cs
@@ -0,0 +1,105 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using UniversityContracts.BindingModels;
+using UniversityContracts.SearchModels;
+using UniversityContracts.ViewModels;
+using UniversityDataBaseImplemet.Models;
+
+namespace UniversityDataBaseImplemet.Implements
+{
+    public class EducationGroupStorage
+    {
+        public EducationGroupViewModel? GetElement(EducationGroupSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new Database();
+            return context.EducationGroups
+                .FirstOrDefault(record => record.Id == model.Id
+                    || record.Name.Equals(model.Name))
+                ?.GetViewModel;
+        }
+        public List<EducationGroupViewModel> GetFilteredList(EducationGroupSearchModel model)
+        {
+            using var context = new Database();
+            if (model.Id.HasValue)
+            {
+                return context.EducationGroups
+                    .Where(record => record.Id.Equals(model.Id))
+                    .Select(record => record.GetViewModel)
+                    .ToList();
+            }
+            else if (model.UserId.HasValue)
+            {
+                return context.EducationGroups
+                   .Where(record => record.UserId == model.UserId)
+                   .Select(record => record.GetViewModel)
+                   .ToList();
+            }
+            else
+            {
+                return new();
+            }
+        }
+        public List<EducationGroupViewModel> GetFullList()
+        {
+            using var context = new Database();
+            return context.EducationGroups
+                .Select(record => record.GetViewModel)
+                .ToList();
+        }
+        public EducationGroupViewModel? Insert(EducationGroupBindingModel model)
+        {
+            var newEducationGroup = EducationGroup.Create(model);
+            if (newEducationGroup == null)
+            {
+                return null;
+            }
+            using var context = new Database();
+            context.EducationGroups.Add(newEducationGroup);
+            context.SaveChanges();
+            return newEducationGroup.GetViewModel;
+        }
+        public EducationGroupViewModel? Update(EducationGroupBindingModel model)
+        {
+            using var context = new Database();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var educationgroup = context.EducationGroups
+                    .FirstOrDefault(record => record.Id.Equals(model.Id));
+                if (educationgroup == null)
+                {
+                    return null;
+                }
+                educationgroup.Update(model);
+                context.SaveChanges();
+                transaction.Commit();
+                return educationgroup.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public EducationGroupViewModel? Delete(EducationGroupBindingModel model)
+        {
+            using var context = new Database();
+            var educationgroup = context.EducationGroups
+                .FirstOrDefault(record => record.Id.Equals(model.Id));
+            if (educationgroup == null)
+            {
+                return null;
+            }
+            context.EducationGroups.Remove(educationgroup);
+            context.SaveChanges();
+            return educationgroup.GetViewModel;
+        }
+    }
+}
diff --git a/UniversityDataBaseImplemet/Implements/StreamStorage.cs b/UniversityDataBaseImplemet/Implements/StreamStorage.cs
new file mode 100644
index 0000000..cdcc7d1
--- /dev/null
+++ b/UniversityDataBaseImplemet/Implements/StreamStorage.cs
@@ -0,0 +1,107 @@
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using UniversityContracts.BindingModels;
+using UniversityContracts.SearchModels;
+using UniversityContracts.StoragesContracts;
+using UniversityContracts.ViewModels;
+using Stream = UniversityDataBaseImplemet.Models.Stream;
+
+namespace UniversityDataBaseImplemet.Implements
+{
+    public class StreamStorage:IStreamStorage
+    {
+        public StreamViewModel? GetElement(StreamSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new Database();
+            return context.Streams
+                .FirstOrDefault(record => record.Id == model.Id
+                    || record.Name.Equals(model.Name))
+                ?.GetViewModel;
+        }
+        public List<StreamViewModel> GetFilteredList(StreamSearchModel model)
+        {
+            using var context = new Database();
+            if (model.Id.HasValue)
+            {
+                return context.Streams
+                    .Where(record => record.Id.Equals(model.Id))
+                    .Select(record => record.GetViewModel)
+                    .ToList();
+            }
+            else if (model.UserId.HasValue)
+            {
+                return context.Streams
+                   .Where(record => record.UserId == model.UserId)
+                   .Select(record => record.GetViewModel)
+                   .ToList();
+            }
+            else
+            {
+                return new();
+            }
+        }
+        public List<StreamViewModel> GetFullList()
+        {
+            using var context = new Database();
+            return context.Streams
+                .Select(record => record.GetViewModel)
+                .ToList();
+        }
+        public StreamViewModel? Insert(StreamBindingModel model)
+        {
+            var newStream = Stream.Create(model);
+            if (newStream == null)
+            {
+                return null;
+            }
+            using var context = new Database();
+            context.Streams.Add(newStream);
+            context.SaveChanges();
+            return newStream.GetViewModel;
+        }
+        public StreamViewModel? Update(StreamBindingModel model)
+        {
+            using var context = new Database();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var stream = context.Streams
+                    .FirstOrDefault(record => record.Id.Equals(model.Id));
+                if (stream == null)
+                {
+                    return null;
+                }
+                stream.Update(model);
+                context.SaveChanges();
+                transaction.Commit();
+                return stream.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public StreamViewModel? Delete(StreamBindingModel model)
+        {
+            using var context = new Database();
+            var stream = context.Streams
+                .FirstOrDefault(record => record.Id.Equals(model.Id));
+            if (stream == null)
+            {
+                return null;
+            }
+            context.Streams.Remove(stream);
+            context.SaveChanges();
+            return stream.GetViewModel;
+        }
+    }
+}
diff --git a/UniversityDataBaseImplemet/Implements/UserStorage.cs b/UniversityDataBaseImplemet/Implements/UserStorage.cs
index 658a5ca..0c310b1 100644
--- a/UniversityDataBaseImplemet/Implements/UserStorage.cs
+++ b/UniversityDataBaseImplemet/Implements/UserStorage.cs
@@ -1,11 +1,4 @@
 using Microsoft.EntityFrameworkCore;
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Security.Cryptography.X509Certificates;
-using System.Text;
-using System.Threading.Tasks;
 using UniversityContracts.BindingModels;
 using UniversityContracts.SearchModels;
 using UniversityContracts.StoragesContracts;