wkshi/app/Sclass.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;
use Encore\Admin\Grid;
use Encore\Admin\Facades\Admin;


class Sclass extends Model
{
    //

    public function school()
    {
        return $this->belongsTo(School::class);
    }

    public function student()
    {
        return $this->hasMany(User::class, 'class_id');
    }

}