You might be able to find it on some specialized manga websites or through online marketplaces that sell imported manga. But be careful, as its availability can vary.
The best places to look could be well-known online platforms dedicated to selling manga or even second-hand bookstores. But keep in mind that the availability of Kodomo no Jikan in English could be limited and might require some searching.
Chapter 649, "Where Did the Wild Wolf Come From?!", is the clearest early answer because it turns Bai Lu's situation into a concrete plot event. The chapter turns that into something concrete by moving from Several people successively lay down in the tent, and before long,...
Chapter 420, "Who Says the Attacker Can't Attack the Attacker?", is the clearest early answer because the buildup finally cashes out in a real clash.
Chapter 656, "If he's the grandson of the richest man, then I am the richest man!", is the clearest early answer because it turns Gu Yu's situation into a concrete plot event.
Chapter 745, "I'm Pregnant", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event. It opens with Several people finally met Shu Yan in the hospital ward. and closes on Before everything that happened today, she was the happy princess in....
Chapter 417, "The Real Struggle for Survival has Just Begun", is the clearest early answer because it turns Nina's situation into a concrete plot event.
Chapter 399, "Wait Until I Am Rich", is the clearest early answer because it turns Shang Shaobai's situation into a concrete plot event. The chapter turns that into something concrete by moving from Seeing Jiang Zhao Yuan's astonished expression, Jiang Li smiled and...
Chapter 415, "No Food, But Your Life", is the clearest early answer because it turns Tong Xiaoqi's situation into a concrete plot event. The setup is Are you begging me for food now?, but the pressure keeps building through There are only a few crabs, and we don't have enough for ourselves,....
Chapter 701, "Let Bai Lu and Chen'an Terminate the Contract", is the clearest early answer because it turns Chen's situation into a concrete plot event. The chapter gives readers a real answer by opening on Miss Jiang, that move of yours was totally awesome!" Shao Changqing...
Chapter 524, "He Faces Imprisonment", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event.
Chapter 587, "Has He Also Become a Part of the Play?", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Zhao Lang said "thank you," but his eyes reluctantly glanced at Jiang...