This sample application, will create a number of objects , and add those to the list. But based on the specified batch size, it will split the list into number of batches.

SplitToBatches

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace SplitClass
{
    public class Program
    {
        static void Main(string[] args)
        {
            int batchSize;// = 5;
            Split objSplit = new Split();
            List<Student> lstStudent = objSplit.CreateListOfStudents();
            
            Console.WriteLine("Number of Students: = " + lstStudent.Count);
            Console.WriteLine("Please Enter Batch Size: ");
            batchSize = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine("BatchSize: = " + batchSize);
            List<List<Student>> lstStudentInBatches = objSplit.SplitIntoBatches(batchSize, lstStudent);
            Console.WriteLine("Number of Batches: = " + lstStudentInBatches.Count);

            if (lstStudentInBatches.Count > 0)
                Console.Write("LastBatch Count : " + lstStudentInBatches[lstStudentInBatches.Count - 1].Count);

            Console.ReadKey();
        }
    }

    public class Student
    {
        public int Id { get; set; }

        public string Name { get; set; }

        public int Age { get; set; }

        public string Course { get; set; }

        public Student(int id, string name, int age, string course)
        {
            Id = id;
            Name = name;
            Age = age;
            Course = course;
        }
    }

    public class Split
    {
        public List<Student> CreateListOfStudents()
        {
            List<Student> lstStudent = new List<Student>();

            lstStudent.Add(new Student(1, "Sharath", 23, Course.BCA.ToString()));
            lstStudent.Add(new Student(2, "Srikanth", 25, Course.BCA.ToString()));
            lstStudent.Add(new Student(3, "Bharath", 25, Course.BCA.ToString()));
            lstStudent.Add(new Student(4, "Ramu", 22, Course.BCA.ToString()));
            lstStudent.Add(new Student(5, "Kiram", 25, Course.BCA.ToString()));
            lstStudent.Add(new Student(6, "Vikram", 25, Course.BCA.ToString()));
            lstStudent.Add(new Student(7, "Raju", 25, Course.BCA.ToString()));
            lstStudent.Add(new Student(8, "Salman", 21, Course.BCA.ToString()));
            lstStudent.Add(new Student(9, "Roshan", 25, Course.BCA.ToString()));
            lstStudent.Add(new Student(10, "Chethan", 25, Course.BCA.ToString()));
            lstStudent.Add(new Student(11, "Nikil", 25, Course.MCA.ToString()));
            lstStudent.Add(new Student(12, "Divya", 26, Course.MCA.ToString()));
            lstStudent.Add(new Student(13, "Prema", 25, Course.MCA.ToString()));
            lstStudent.Add(new Student(14, "Rajesh", 25, Course.MCA.ToString()));
            lstStudent.Add(new Student(15, "Kishore", 24, Course.MCA.ToString()));
            lstStudent.Add(new Student(16, "Srinu", 25, Course.BE.ToString()));
            lstStudent.Add(new Student(17, "Ramesh", 23, Course.BE.ToString()));
            lstStudent.Add(new Student(18, "Mahesh", 21, Course.BE.ToString()));
            lstStudent.Add(new Student(19, "Venky", 25, Course.BE.ToString()));
            lstStudent.Add(new Student(20, "Krishna", 20, Course.BE.ToString()));
            lstStudent.Add(new Student(21, "Shankhar", 21, Course.BE.ToString()));
            lstStudent.Add(new Student(22, "Uday", 25, Course.BE.ToString()));
            lstStudent.Add(new Student(23, "Murali", 20, Course.BE.ToString()));

            return lstStudent;
        }

        public List<List<Student>> SplitIntoBatches(int batchSize, List<Student> lstStudent)
        {
            List<List<Student>> lstStudentsInBatches = new List<List<Student>>();

            // Determine how many lists are required
            int numberOfLists = (lstStudent.Count / batchSize);
            int remainder = (lstStudent.Count % batchSize);

            if (remainder > 0)
                numberOfLists += 1;

            for (int i = 0; i < numberOfLists; i++)
            {
                List<Student> newList = lstStudent.Skip(i * batchSize).Take(batchSize).ToList();
                lstStudentsInBatches.Add(newList);
            }
            return lstStudentsInBatches;
        }

        enum Course
        {
            MCA, BCA, BE,
        }
    }
}