Output returns null results when read from a file

Question

I am trying to make an information system but whenever I try and print the output, it only prints out the last thing I enter. Here is the function I am using.

void displayStudents(){
    
    FILE *fp;
    fp = fopen("studentlist.txt", "rb");
    if(!fp){
        printf("File could not be opened.\n");
    }else{

        studentInfo s;

        while(fread(&s, sizeof(studentInfo), 1, fp) && !feof(fp)){
            printf("Student Number: %i\n", s.studentNumber);
            printf("Last Name: %s\n", s.lastName);
            printf("First Name: %s\n", s.firstName);
            printf("Course: %s\n", s.course);
            printf("Year Level: %i\n", s.yearLevel);
            printf("Age: %i\n", s.age);
            printf("Sex: %c\n", s.sex);
            printf("Final Grade: %i\n", s.finalGrade);
            printf("\n\n");
        }

        fclose(fp);
    }

}

Where studentInfo is a struct containing the following...

struct studentInfo{
    int studentNumber;
    char lastName[15];
    char firstName[15];
    char course[15];
    int yearLevel;
    int age;
    char sex;
    int finalGrade;
};
typedef struct studentInfo studentInfo;

The output of the program is as follows:

Student Number: 0
Last Name:
First Name:
Course:
Year Level: 0
Age: 0
Sex:
Final Grade: 0


Student Number: 0
Last Name:
First Name:
Course:
Year Level: 0
Age: 0
Sex:
Final Grade: 0


Student Number: 3
Last Name: Rambo
First Name: Ra
Course: CS
Year Level: 1
Age: 10
Sex: F
Final Grade: 89

I tried enrolling 3 students but it only prints out information for the last and not the ones before. I want it to be able to display all student info I input.

Answer 1

I realized I was placing binary in the file and was only reading it as a .txt so it never worked out. Thats why I merely changed my file type to .bin from .txt that way it would read and it did. I was also reading a bin file normally like any other text when i should have done rb. My bad.