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In Lancaster, Texas, they're facing a shortage of certified teachers, and it's causing problems in classrooms. For example, two ninth-grade biology classes have around 50 students but only one certified science teacher to teach them. Another teacher, not fully certified yet, assists. The large class size makes it tough for students to focus.  
To cope with the shortage, some classes have turned to online teaching through a company. A virtual teacher from another state teaches the class, with in-person aides helping students. This approach is becoming more common, especially after the pandemic.  
Teacher shortages are a nationwide issue in the United States. Many teachers left their jobs due to low teacher salaries, high workloads, student behavior issues and other challenges. As a result, some school districts are hiring underqualified teachers, like long-term substitutes. This can harm students' learning.  
To fill these gaps, some states have lowered teacher certification standards, which means some teachers may not be fully prepared to teach their subjects. Parents should ask schools about their teachers' qualifications to ensure quality education.  
Some districts are training support staff, like bus drivers and custodians, to become qualified teachers. They can go through programs that offer affordable training, helping address the teacher shortage and improve education.