See if this helps
<?php
if(have_rows('school_life_holder')) {
// add a counter
$count = 0;
$group = 0;
while ( have_rows('school_life_holder')) {
the_row();
if ($count % 3 == 0) {
$group++; ?>
<div id="<?php echo $group; ?>" class="row group-<?php echo $group; ?>" data-equalizer> <!--Begin Row:-->
<?php
} // count
if( get_row_layout() == 'school-life-link' ) { ?>
<div class="large-4 medium-4 columns panel" data-aos="fade-up" data-aos-delay="150">
<div><a href="<?php echo the_sub_field('link'); ?>" target="_blank"><img src="<?php echo the_sub_field("staff_pic") ?>" alt="<?php the_title(); ?>"></a></div>
<div class="profile-box"><a href="<?php echo the_sub_field('link'); ?>" target="_blank"><strong><?php echo the_sub_field('staff_title'); ?></strong></a></div>
</div>
<?php
} // end get link
elseif( get_row_layout() == 'school-life-video' ) { ?>
<div class="video-parent">
<div><a href="<?php echo the_sub_field('link'); ?>" target="_blank"><img src="<?php echo the_sub_field("staff_pic") ?>" alt="<?php the_title(); ?>"></a></div>
<div class="video-inner">
<a href="<?php echo the_sub_field('link'); ?>" target="_blank"><img class="bounce_button" src="#"></a>
</div>
</div>
<div class="profile-box"><a href="<?php echo the_sub_field('link'); ?>" target="_blank"><strong><?php echo the_sub_field('staff_title'); ?></strong><br><?php echo the_sub_field('staff_job'); ?></a></div>
<?php
} //end get video
if ($count % 3 == 0) {
echo '</div>'; //----I've moved this outside the previous if statement. Is it suppose to close off the starting if div?.
}
} //end while
} //if have rows
?>
