C++ Compiler Error, Help Needed

The errors I'm getting are:
1) error: 'highestScore' cannot be used as a function:

int highestScore = scores[0];


2) error: 'outFile' was not declared in this scope:

outFile << setw(15) << "Student Name"


3) error: expected '}' at end of input:

outFile << sList[i].studentLName + ", " + sList[i].studentFName << endl;
}
}

Can someone figure out what the problem is?
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#include <iostream>
#include <string>
#include <fstream>
#include <iomanip>

using namespace std;

const int STUDENTS = 20;


struct studentType
{
string studentFName;
string studentLName;
int testScore;
char grade;
};


void getData(ifstream& inFile, studentType sList[], int listSize);
void calculateGrade(studentType sList[], int listSize);
int highestScore(const studentType sList[], int listSize);
void printResult(ofstream& outFile, const studentType sList[], int listSize);


int main()
{
ifstream inData;
ofstream outData;
studentType studentList[STUDENTS];
inData.open("Ch9_Ex2Data.txt");
if (!inData)
{
cout << "Input file does not exist."
<< endl;

return 1;
}


outData.open("Ch9_Ex2Out.txt");
if (!outData)
{
cout << "Cannot open the output file."
<< endl;

return 1;
}


getData(inData, studentList, STUDENTS);
calculateGrade(studentList, STUDENTS);
printResult(outData, studentList, STUDENTS);

return 0;
}


void getData(ifstream& inFile, studentType sList[], int listSize)
{
for (int i = 0; i < listSize; i++)
inFile >> sList[i].studentFName >> sList[i].studentLName
>> sList[i].testScore;
}


void calculateGrade(studentType sList[], int listSize)
{
int score;
for (int i = 0; i < listSize; i++)
if (score >= 90)
sList[i].testScore = 'A';
else if (score >= 80)
sList[i].testScore = 'B';
else if (score >= 70)
sList[i].testScore = 'C';
else if (score >= 60)
sList[i].testScore = 'D';
else
sList[i].testScore = 'F';
}

int highestScore(const studentType sList[], int scores[], int listSize)
{
int highestScore = scores[0];
for (int i = 0; i < listSize; i++)
{

if (scores[i] > highestScore)
{
highestScore = scores[i];
}

}


void printResult(ofstream& outFile, const studentType sList[], int listSize);
{
int maxScore = highestScore(sList, listSize);
int i;

outFile << setw(15) << "Student Name"
<< setw(10) << "Test Score"
<< setw(7) << "Grade" << endl;

for (i = 1; i < listSize; i++)
{
outFile << left << setw(25)
<< sList[i].studentLName + ", " + sList[i].studentFName
<< right << " " << setw(5) << sList[i].testScore
<< setw(6) << " " << sList[i].grade << endl;

outFile << endl << "Highest Test Score: " << maxScore << endl;
outFile << "Students having the highest test score:" << endl;
}
for (i = 1; i < listSize; i++)
{
if (sList[i].testScore == maxScore)
outFile << sList[i].studentLName + ", " + sList[i].studentFName << endl;
}
}
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