Trouble getting information to and from a string array

#include <cstdlib>
#include <iostream>
#include <iomanip>
#include <string>
#include <conio.h>
#include <cstring>

using namespace std;



// Global constants
const int CLASS = 4,
			COLS = 4, //columns in each array
			  ROWS = 4, //rows in table
				NEW_GRADE = 24;

//simple splash screen
void goSplash();
//yes that is seven variables sent the menu function
void showMenu( const int , const int, const int ,const int ,const int ,const int ,int &);
//my bubble sort
void goSort(int[] , const int);


 int main()
 {
 //constants for the menu 
	 const int CLASS1 = 1,//constants for menu information
		CLASS2  = 2, 
		CLASS3 = 3,
		CLASS4 = 4,
		CLASS5 = 5,
		CLASS_ALL = 6;

	 //hold the value of the choice for the user and 
	 int choice;

		//new grades arrays
		int newGrade[CLASS];
		


	
	 //string array for class names
	string classArray[CLASS];//string array for class names
	
	//integer 2d array for class percentages
	int tableGrade[ROWS][COLS];

//program intro a basic information intro with a pause and a screen clear
cout <<"\nThis program will allow you to view and manipulate your,\n";
cout<<"test scores in in four quarter semester.\n";
cout<<"Your will list four subjects and or classes and than your scores.\n";
cout<<"Your can view your scores, average them or sort them by class."<<endl;
cout<<"\nPLEASE PRESS ENTER TO START PROGRAM"<<endl;
//pause and clear
_getch();
system("CLS");

//splash screen
goSplash();

	//add names to the classes array
	for (int count = 0; count < CLASS; count++)
	 {
	 cout <<"\nEnter the name of class ("<<count + 1<<") : ";
	 cin>>classArray[count];
		}
		
	//these for loops where easy without the validation to make them massive
	//I needed to fill five rows and five columns with percentages
	for (int val = 0, num = 0; val < COLS; val ++)
		{
			do  
			{ 
			cout <<"\nEnter score number "<<num +1<<" in percent out of 100 for "<< classArray[val]<<" : ";
			cin >> tableGrade[num][val]; 
			
				while (tableGrade[num][val] < 0 || tableGrade[num][val] > 100)
				{
					cout<<"The value must be between 0 and 100: ";
					cin >> tableGrade[num][val];
					cout<<"\n";
				}	
				

				if (cin.fail())  
				{
					cin.clear();  
					cin.ignore(INT_MAX, '\n'); 
				}

				}while (cin.fail());	
			
			}

	for (int val = 0, num = 1; val < COLS; val ++)
	{
		do  
		{ 
			cout <<"\nEnter score number "<<num +1<<" in percent out of 100 for "<< classArray[val]<<" : ";
			cin >> tableGrade[num][val]; 

			while (tableGrade[num][val] < 0 || tableGrade[num][val] > 100)
			{
				cout<<"The value must be between 0 and 100: ";
				cin >> tableGrade[num][val];
				cout<<"\n";
			}	


			if (cin.fail())  
			{
				cin.clear();  
				cin.ignore(INT_MAX, '\n'); 
			}

		}while (cin.fail());	

	}

	for (int val = 0, num = 2; val < COLS; val ++)
	{
		do  
		{ 
			cout <<"\nEnter score number "<<num +1<<" in percent out of 100 for "<< classArray[val]<<" : ";
			cin >> tableGrade[num][val]; 

			while (tableGrade[num][val] < 0 || tableGrade[num][val] > 100)
			{
				cout<<"The value must be between 0 and 100: ";
				cin >> tableGrade[num][val];
				cout<<"\n";
			}	


			if (cin.fail())  
			{
				cin.clear();  
				cin.ignore(INT_MAX, '\n'); 
			}

		}while (cin.fail());	

	}
	for (int val = 0, num = 3; val < COLS; val ++)
	{
		do  
		{ 
			cout <<"\nEnter score number "<<num +1<<" in percent out of 100 for "<< classArray[val]<<" : ";
			cin >> tableGrade[num][val]; 

			while (tableGrade[num][val] < 0 || tableGrade[num][val] > 100)
			{
				cout<<"The value must be between 0 and 100: ";
				cin >> tableGrade[num][val];
				cout<<"\n";
			}	


			if (cin.fail())  
			{
				cin.clear();  
				cin.ignore(INT_MAX, '\n'); 
			}

		}while (cin.fail());	

	}
	for (int val = 0, num = ROWS; val < COLS; val ++)
	{
		do  
		{ 
			cout <<"\nEnter score number "<<num +1<<" in percent out of 100 for "<< classArray[val]<<" : ";
			cin >> tableGrade[num][val]; 

			while (tableGrade[num][val] < 0 || tableGrade[num][val] > 100)
			{
				cout<<"The value must be between 0 and 100: ";
				cin >> tableGrade[num][val];
				cout<<"\n";
			}	


			if (cin.fail())  
			{
				cin.clear();  
				cin.ignore(INT_MAX, '\n'); 
			}

		}while (cin.fail());	

	}
	
	showMenu(CLASS1, CLASS2, CLASS3, CLASS4, CLASS5, CLASS_ALL, choice);

	while (choice < 1 || choice > 7)
	{
	cout<"Please choose an option from 1 to 6: ";
	cin>>choice;
		if (choice==7)
		{
			system("PAUSE");
			exit;
		}
	}

	//large switch statement where I decided to send the out of the 2d arrays 
	switch (choice)
	{
	case 1:
		cout <<"Your Grades for "<< classArray[0] << " are.\n";
		for (int num =0; num < COLS; num++ )
		{
			cout<<"Grade: "<<num +1<< tableGrade[num][0]<<"\n";
		}
	break;
	case 2:
		cout <<"Your Grades for "<< classArray[1] << " are.\n";
		for (int num =0; num < COLS; num++ )
		{

			cout<<"Grade: %"<<num +1<< tableGrade[num][1]<<"\n";
		}
		break;
	case 3:
		cout <<"Your Grades for "<< classArray[2] << " are.\n";
		for (int num =0; num < COLS; num++ )
		{
			cout<<"Grade: %"<<num +1<< tableGrade[num][2]<<"\n";
		}
	break;
	case 4:
		cout <<"Your Grades for "<< classArray[3] << " are.\n";
		for (int num =0; num < COLS; num++ )
		{

			cout<<"Grade: "<<num +1<< tableGrade[num][3]<<"\n";
			
		}
	case 5:
		cout <<"Your Grades for "<< classArray[4] << " are.\n";
		for (int num =0; num < COLS; num++ )
		{

			cout<<"Grade: "<<num +1<< tableGrade[num][4]<<"\n";
			
		}
	
	//side ways for loops cool. to dump my 2d into a one dimension arrays than send them to the sort function
	case 6:
		cout<<"The sorted grades for your classes are.\n";
		for(int var = 0, big =0; var < COLS; var ++, big++){newGrade[big] = tableGrade[0][var]; }
		for(int var = 0,  big =5; var < COLS; var ++, big++){newGrade[big] = tableGrade[1][var]; }
		for(int var = 0, big =10;  var < COLS; var ++, big++){newGrade[big] = tableGrade[2][var]; }
		for(int var = 0, big = 15; var < COLS; var ++, big++){newGrade[big] = tableGrade[3][var]; }
		for(int var = 0, big = 20; var < COLS; var ++, big++){newGrade[big] = tableGrade[4][var]; }
		
		//sort the large grade table
		goSort(newGrade, NEW_GRADE);
			break;
	default:
		cout<<"Error invalid input entered"<<endl;
		break;
	}

cout<<"Do you wish to exit the program now\n";
cout<<
 system("PAUSE");
 
 exit;
 }

 //while loop decrementing with some symbols
 void goSplash()
 { 
	 int count = 1000;
	 while (count > 0)
	 {
		count--; 
		 cout<<"101101111100000001101010010100100100111110010101001010101110101";
			if (count%5==0)
			{
				cout<<"%^%&^(^&(^*%^%*%%^$(^&%^$*$*$%*$%*%**%*";
			}
	 }
	 cout<<setw(50)<<"CHRIS'S GRADE KEEPER";
	 system("CLS");
 }
 
 void showMenu(const int CLASS1, const int CLASS2, const int CLASS3, const int CLASS4, const int CLASS5, const int CLASS_ALL, int &choice)
 {
	 const int EXIT = 7;

	 cout<<"*****MENU*****\n";
	 string menuStar = "*****";
	 for (int menu=50; menu > 5; menu -=5  )
	 {
		 cout<<menuStar<<endl;
	 }
	 cout<<"\n";
	 cout<<CLASS1<<"-- to display you first class scores\n";
	 cout<<CLASS2<<"-- to display you second class scores\n";
	 cout<<CLASS3<<"-- to display you third class scores\n";
	 cout<<CLASS4<<"-- to display you fourth class scores\n";
	 cout<<CLASS5<<"-- to display you fifth class scores\n";
	 cout<<CLASS_ALL<<"--to display all of your class scores sorted\n";
	 cout<<EXIT<<"--to exit the program\n\n"; 
	 cout<"Please choose an option from 1 to 7: ";
	 do{
	 cin>>choice;
	if (choice == 7)
		{
		system("pause");
		exit (0);
		 }
		 }while (choice ==7);
 }


 void goSort(int newGrade[], const int NEW_GRADE )
 {
	 
	 for (int k = 1; k < NEW_GRADE; k++)
		 for (int i = 0; i <new_grade -1="" -="" mode="hold" />			 if (newGrade[i] > newGrade[i +1]){
				 int temp = newGrade[i];
				 newGrade[i] = newGrade[i + 1];
				 newGrade[i + 1] = temp;
			 } 
	for (int count = 0; count < NEW_GRADE; count++)
	{
		cout<<"Grade "<<count<<"  :"<<newGrade[count]<<"\n";
	}


 }