How to represent many to many relation between student&class

Question

Problem

I have two table Student and class many to many relationship 

 

Student Table but i dont know how to represent Classroom_Student class in code .

Student Class
namespace UniversityData.Models
{
    [Table("Student")]
    public partial class Student
    {
        public Student()
        {
            this.Classes = new HashSet();
        }
        [DatabaseGenerated(DatabaseGeneratedOption.None)]
        [Key]
        public int StudentID { get; set; }

        [Required]
        [StringLength(50)]
        public String StudentName { get; set; }
        public ICollection Classes { get; set; }



    }
}
ClassRoom Table
namespace UniversityData.Models
{
    [Table("Class")]
    public partial class Class
    {
        public Class()
        {
            this.Students = new HashSet();
        }
        [Key]
        public int ClassID { get; set; }

        [Required]
        [StringLength(50)]
        public string ClassName { get; set; }
        public ICollection Students {get; set;}

    }
}

Classroom_Student

1. StudID
   ClassID
   starttime
   endtime
   day
   What i do as following
   Create class for Student Table and class for ClassRoom Table
   but Classroom_Student Table cannot do class for him
   how to do class for Classroom_Student Table .