Anxiety and Depression in Junior High and High School Students

Written on 01/30/2026
Peggi Merkey


Anxiety and depression represent some of the most pervasive mental health challenges facing adolescents today. These conditions manifest as persistent sadness, hopelessness, excessive worry, or fear that interferes with daily life. In junior high and high school, where students navigate academic demands, social dynamics, and personal growth, these issues can intensify, leading to diminished academic performance, social withdrawal, and even physical health problems.

Recent data highlights the alarming prevalence of these disorders among teens. Globally, it’s estimated that 4.1% of 10–14-year-olds and 5.3% of 15–19-year-olds experience an anxiety disorder.  Depression affects about 1.1% of adolescents aged 10–14 and 2.8% of those aged 15–19 worldwide.  In the U.S., nearly 1 in 5 (18%) youth ages 12 to 17 have had at least one major depressive episode in the past year, impacting around 4.5 million adolescents.  Anxiety symptoms are also widespread, with 20% of teens reporting symptoms in the past two weeks, and 18% experiencing depression symptoms during the same period.  From 2017 to 2021, depression diagnoses among U.S. children and young adults increased by 55.6% for incidence and 60.0% for prevalence.  More recent 2025 figures show moderate to severe anxiety symptoms declining slightly from 37% in 2022 to 32% among college students, but the trend for younger teens remains concerning. 

Causes are multifaceted. Biological factors, such as genetic predisposition, play a role, but environmental stressors like academic pressure, social media, and family dynamics exacerbate symptoms. The COVID-19 pandemic amplified these issues, with lingering effects on isolation and uncertainty. Girls often report higher rates, with persistent sadness affecting 40% of teens overall, and 18% diagnosed with depression.  Emerging adults aged 18-25 see increasing prevalence of depressive and anxiety disorders as they transition to independence. 

The impacts are profound. Untreated anxiety and depression can lead to poor school attendance, lower grades, substance abuse, and suicidal ideation. In 2025, suicidal thoughts among college students dropped, but remain a risk for high schoolers.  Over 1 in 8 Americans aged 12 and older experience depression symptoms, calling for increased access to care. 

Addressing these challenges requires a multi-pronged approach. Schools can implement mental health programs, including counseling and mindfulness training. Parents should foster open communication and monitor for signs like irritability or withdrawal. Professional interventions, such as therapy or medication, are effective for many. Programs like the STAND initiative show promise in supporting emerging adults.  Encouraging healthy habits—exercise, balanced diets, and limited screen time—can mitigate symptoms.

In conclusion, while anxiety and depression rates among teens are high, awareness and early intervention offer hope. By prioritizing mental health in education and at home, we can help students thrive rather than merely survive these formative years. Seeking help from trusted adults or professionals is a crucial step toward recovery.