how to create wcf service

See more:

WCF

C#5.0

hi all
i have group of academies and manages received data in central office by a wcf service ,received data is as followed:
Teacher info :new teacher ,update teacher and delete teacher ,...
student info :new student ,update student and delete student ,...
...

1- does it need to split in separate service?
2- how and can i combine service address in App.config file of service host app to client use my services in single add service reference?

i.e this is my service contract:

[ServiceContract]
public interface ITeacher
    {
        [OperationContract]
        void Add(Teacher teacher);
        [OperationContract]
        void Update(Teacher teacher);

        [OperationContract]
        void Delete(Teacher teacher);
    } 
[ServiceContract]
public interface IStudent
        {
            [OperationContract]
            void Add(Student student);
            [OperationContract]
            void Update(Student student)
            [OperationContract]
            void Delete(Student Student);
        }

<system.serviceModel>
    <services>
      <service name="BusManagmentService.StudentService">

        <endpoint address="" binding="basicHttpBinding" contract="BusManagmentService.IStudent">
          <identity>
            <dns value="localhost" />
          </identity>
        </endpoint>

        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
        <host>
          <baseAddresses>
            <add baseAddress="http://localhost:8733/BusManagmentService/IStudent/" />
          </baseAddresses>
        </host>
      </service>
      <service name="BusManagmentService.TeacherService">
        <endpoint address="" binding="basicHttpBinding" contract="BusManagmentService.ITeacher">
          <identity>
            <dns value="localhost" />
          </identity>
        </endpoint>
        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
        <host>
          <baseAddresses>
            <add baseAddress="http://localhost:8733/BusManagmentService/ITeacher/" />
          </baseAddresses>
        </host>
      </service>
    </services>
    <behaviors>
      <serviceBehaviors>
        <behavior>
          <!-- To avoid disclosing metadata information,
          set the values below to false before deployment -->
          <serviceMetadata httpGetEnabled="True" httpsGetEnabled="True"/>
          <!-- To receive exception details in faults for debugging purposes,
          set the value below to true.  Set to false before deployment
          to avoid disclosing exception information -->
          <serviceDebug includeExceptionDetailInFaults="False" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
  </system.serviceModel>