CycleUpdate.php

<?php 

    public function upgradeMgmlCycle($studentInfo)
    {
        if ($studentInfo->cycle_end >= now()->today()) {
            return $studentInfo;
        }

        if (!$studentInfo->cycle >= $studentInfo->mgml_syllab_cycle) {
            $studentInfo->cycle = $studentInfo->cycle + 1;
            $studentInfo->cycle_start = now()->firstOfMonth();
            $studentInfo->cycle_end = $this->addMonthsAndGettLastDayOfMonth($studentInfo->mgml_syllab_unit_per_cycle - 1);

            return $studentInfo;
        }
    }

foo.php

        // mgml_cycle_scores
        // - student: belongsTo
        // students
        // - mgml_cycle_scores: hasMany
        // - center: belongsTo
        // center
        // students: hasMany

        // Other approach
        // 1

        Student::with(['center', 'mgml_cycle_scores'])
            ->Active()
            ->whereHas('center', function ($query) {
                $query->where('center_type_id', $this->mgml_center_type_id);
            })
            ->whereHas('mgml_cycle_scores', function ($query) {
                $query->groupBy('subject_id', 'student_id');
            })
            ->get();