Learning structs

#include <iostream>
#include <string>

using namespace std;

struct studentType
{
    string firstName;
    string lastName;
    char courseGrade;
    int testScore;
    int programmingScore;
    double GPA;
};

void readIn(studentType& student);
void printStudent(studentType& student);
studentType setStudentCpy(studentType& student);

int main()
{
    studentType newStudent;
    studentType copyStudent;

    readIn(newStudent);
    printStudent(newStudent);
    copyStudent = setStudentCpy(newStudent);
    printStudent(copyStudent);

    return 0;
}

void readIn(studentType& student)
{
    int score;
    cout << "Enter your first name: ";
    cin >> student.firstName;
    cout << "Enter your last name: ";
    cin >> student.lastName;
    cout << "Enter test score: ";
    cin >> student.testScore;
    cout << "Enter programming score: ";
    cin >> student.programmingScore;
    cout << "Enter your GPA: ";
    cin >> student.GPA;

    score = (student.testScore + student.programmingScore) / 2;

    if (score >= 90)
        student.courseGrade = 'A';
    else if (score >= 80)
        student.courseGrade = 'B';
    else if (score >= 70)
        student.courseGrade = 'C';
    else if (score >= 60)
        student.courseGrade = 'D';
    else
        student.courseGrade = 'F';

}

void printStudent(studentType& student)
{
    cout << student.firstName << endl << student.lastName
         << endl << student.courseGrade << endl << student.testScore
         << endl << student.programmingScore << endl << student.GPA
         << endl;
}
studentType setStudentCpy(studentType& student)
{
    return student;
}