Focusing on academics:
* Underperforming: Students consistently score below average on standardized tests, and graduation rates are low.
* Lack of resources: The school lacks adequate textbooks, technology, and other learning materials. Class sizes are excessively large, hindering individual attention.
* Poor curriculum: The curriculum is outdated, irrelevant, or poorly designed, failing to engage students or prepare them for the future.
* Low teacher quality: Teachers lack experience, training, or enthusiasm, leading to ineffective instruction and a lack of student engagement.
* High dropout rate: A significant number of students leave school before graduating.
Focusing on environment and safety:
* Unsafe environment: The school is plagued by violence, bullying, or drug use. Students don't feel safe or supported.
* Poor discipline: Lack of effective discipline strategies creates a chaotic and disruptive learning environment.
* Lack of support services: Inadequate counseling, special education, or other support services leave students struggling without assistance.
* Neglect and disrepair: The school building is poorly maintained, unclean, and in a state of disrepair.
* Lack of community involvement: There's little connection between the school and the surrounding community.
Focusing on overall impression:
* Failing institution: The school consistently fails to meet its educational objectives.
* A breeding ground for negativity: The school fosters a negative and demoralizing atmosphere.
* A waste of potential: The school fails to unlock the potential of its students.
* Substandard education: The education provided is significantly below acceptable standards.
* A detriment to the community: The school negatively impacts the surrounding community.
To describe a specific bad school, you'd need to highlight the particular problems it faces. For example, you could say "The school is a failing institution with a high dropout rate, under-qualified teachers, and a dilapidated building." This paints a clearer picture than just calling it "bad."