Kim Kardashian 's kids are doing great, sweetie. In fact, North West , Saint West , Chicago West and Psalm West —who the Kardashians star shares with ex Kanye West —recently headed back to school. As seen in a series of photos shared by Kim Sept.

17, the foursome were all smiles before heading to class. Both North, 11, and Chicago, 6, appeared to be school uniforms, opting for a navy polo and a blue plaid kilt for their first day 'fit. Meanwhile, Saint, 8, rocked a gray zip-up hoodie over his shirt and shorts.

As for the family's youngest member? Psalm, 5, was ready for a day of learning in a bright red polo and khaki shorts. All the kids chose to pair their ensembles with white crew socks and Nike sneakers. And Kim let it be known that her little ones were ready for a new chapter in their academic journeys, writing in the caption, "school daze are upon us.

" But many of her followers couldn't get over how tall the kids have gotten, with longtime friend Jen Atkin writing in the comments section, "Kimberly how is everyone so grown upppp?" "Wait," Jonathan "Foodgod" Cheban added, "that’s Northie??????" Meanwhile, Khloe Kardashian couldn't help but to gush over her nieces and nephews, commenting, "Such a beautiful tribe of cuties." And the Good American co-founder is very familiar with back-to-school season. After all, her 6-year-old daughter True Thompson —who she shares with ex Tristan Thompson —recently returned to elementary school to start elementary school .

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