Не работает считка с файла

#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
 
struct data {
    string name;
    int year;
    int school;
    data (string n, int y, int s) : name(n), year(y), school(s)
    {}
 
};
int main()
{
    std::ifstream file("in.txt");
 
    if (file.is_open()) // вызов метода is_open()
        cout << "File is opened\n\n" << endl;
    else
    {
        cout << "File isn't opened!\n\n" << endl;
        return -1;
    }
 
    std::vector <data> new_data;
    string name;
    int year;
    int school;
    ifstream in("in.txt");
    if(in.is_open())
    {
        while (in >> name >> year >> school)
        {
            new_data.push_back(data(name, year, school));
        }
}
in.close();
 
for (int i = 0; i < new_data.size(); i++)
{
    std::cout << new_data[i].name << " - " << new_data[i].year << " - " << new_data[i].school << std::endl;
}
 
 
return 0;
}

while (!in.eof)
    {
        st:
        in >> name;
        in >> year;
        in >> school;
        cout << name << " " << year << " " << school << "\n";
        if (!in.eof()) break; 
        goto st;
    }

    std::map<int, std::tuple<size_t, int, std::string>> schools;
    for (auto &item : new_data)
    {
        auto &scool = schools[item.school];
        ++std::get<0>(scool);
        if (std::get<1>(scool) == 0 || item.year < std::get<1>(scool))
        {
            std::get<1>(scool) = item.year;
            std::get<2>(scool) = item.name;
        }
    }

    for (auto &item : schools)
        std::cout << item.first << ": " << std::get<0>(item.second) << ", " << std::get<2>(item.second) << std::endl;