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- K-12 public-school teachers revealed the hardest parts of the job to Business Insider.
- Many teachers say teaching kids going through difficulties at home takes an emotional toll.
- Rude parents and misbehaving kids also make the job challenging.
- Visit Business Insider's homepage for more stories.
As many students head back to school, teachers will gear up for what can sometimes be a challenging year.
While teaching remains a popular profession, many teachers across the US have gone on strike to protest low pay and other challenges on the job.
Business Insider asked dozens of teachers what they feel is the hardest part of the job. Some teachers chose to answer anonymously or just use their first name. Business Insider verified all identities with school badges and emails.
Many said they struggle with the emotional burden of teaching children going through difficulties at home.
Read more: Teachers reveal the 7 things they wish they could tell parents - but can't
Other issues include having parents berate them for their child's bad grades, and constantly needing to teach to a standardized test.
Here are what teachers say are seven of the biggest challenges they face today.
[Editor's note: Some of these survey answers have been slightly edited for grammar and clarity.]