Celebrity Parents Jill Duggar Shares Photos from Son Israel's First Day of First Grade: 'We Couldn't Be Happier' "It's hard to believe we are already here," Jill Duggar wrote on Instagram, posting photos of her son Israel's first day of first grade By Glenn Garner Glenn Garner Instagram Twitter Glenn Garner is a Writer/Reporter who works heavily with PEOPLE's Movies and TV verticals. Since graduating from Northern Arizona University with a dual major in journalism and photography, he got his professional start at OUT Magazine, The Advocate and Teen Vogue, and he's since consistently kept his finger on the pulse of the LGBTQ community. His first book The Guncle Guide was released in 2020 and was featured on Katie Couric's list of 100 recommended books of the year. People Editorial Guidelines Published on August 23, 2021 06:44 PM Share Tweet Pin Email Photo: jill duggar/instagram Jill Duggar Dillard's children are growing up before her very eyes. The Counting On star, 30, took to Instagram on Monday with photos from 6-year-old son Israel David's first day of first grade. "1st day of 1st grade was last week for this big guy! Its hard to believe we are already here!!" she started in the caption. Jill and her husband Derick Dillard, 32, share sons Israel and 4-year-old Samuel Scott. The family added another member back in March, announcing that they adopted a dog, whom they named Fenna. Jill Duggar and Derick Dillard Enjoy Family Time with Sons at Playground: 'Basketball and Pizza' "Israel loved walking Fenna to school on his first day & she was super happy too, but got a little concerned after he walked inside…she stood there and kept watching for him. Israel's kindergarten teacher moved up with him to 1st grade this year and we couldn't be happier!" Jill continued. "Sam is super happy to be getting some one-on-one time with mommy in preschool at home & on-the-go with regular library visits and fun classes they offer!" The family previously starred in Counting On, TLC's spin-off of 19 Kids and Counting, before they exited the show in 2017. Jill opened up to PEOPLE about the decision to leave the series in October. RELATED VIDEO: Jill Duggar Dillard Defends Feeding Unused Breast Milk to Her Dog: 'She's Fine' "We just wanted more control of our own lives," she said. "There was a certain job that we had been working towards for, even before we were married, that was taken away from us." Jill added: "It didn't go over very well with anyone. By that point we'd had enough. We knew we had to pull out completely to reevaluate and get our bearings."