41!!!!!
SELECT *
FROM `classes`
LEFT JOIN `class_categories` ON `class_categories`.`cc_id` = `classes`.`category`
WHERE STR_TO_DATE(`end_date`, '%m/%d/%Y/' ) > NOW( )
AND `class_categories`.`elementary_music` = 0
AND status = '1'
GROUP BY `id`
ORDER BY STR_TO_DATE(start_date, '%m/%d/%Y/') ASC
LIMIT 40, 8
Summer classes are opening weekly