Why Do Possession Scares Spread Through Schools?

Introduction

Clusters of students suddenly fainting, shaking, crying, hyperventilating or appearing to enter trance-like states have been reported in Philippine schools for decades. They are often described locally as cases of “possession”, especially when several pupils are affected in rapid succession. Medical investigations, however, frequently conclude that these episodes are examples of mass psychogenic illness (also called mass sociogenic illness): real physical and psychological symptoms that spread through a group without evidence of a shared infectious disease, toxin or other physical cause.[nih.gov]pubmed.ncbi.nlm.nih.govFactors related to the occurrence of mass psychogenic illness in schools: a systematic review - PubMedJune 19, 2025…Published: June 19, 2025

These incidents matter because they sit at the intersection of health, religion, education and culture. In a country where belief in spirits and Christian ideas about demonic influence coexist with modern medicine, different explanations can exist side by side. Understanding why these outbreaks spread helps explain both the distress experienced by students and the challenges faced by teachers, parents, doctors and religious leaders.

What does mass psychogenic illness mean?

Mass psychogenic illness (MPI) refers to the rapid spread of genuine symptoms among members of a closely connected group without an identifiable physical cause. The symptoms are not deliberately invented or faked. Those affected experience real fear and real bodily reactions, even though laboratory tests and environmental investigations usually fail to identify poisoning, infection or another shared medical condition.[PubMed]pubmed.ncbi.nlm.nih.govFactors related to the occurrence of mass psychogenic illness in schools: a systematic review - PubMedJune 19, 2025…Published: June 19, 2025

In school outbreaks around the world, common symptoms include:

In the Philippines these symptoms are often interpreted through religious language. Students, relatives or bystanders may believe an evil spirit has entered the victim, while health professionals may diagnose a dissociative or psychogenic episode. These explanations need not reflect bad faith on either side; they arise from different ways of interpreting the same observable behaviour.[CiNii Research]cir.nii.ac.jpCi Nii Research Reportage of “Possession” in the Philippines | Ci Nii ResearchCi Nii Research Reportage of “Possession” in the Philippines | Ci Nii Research

How fear and observation amplify symptoms

School outbreaks provide an unusually clear demonstration of how emotions spread through tightly connected groups.

Research on school-based mass psychogenic illness consistently identifies several reinforcing factors:

This process does not imply that the symptoms are imaginary. Fear can trigger rapid physiological changes, including altered breathing, muscle tension, dizziness and fainting. Once these reactions become visible, they may spread through social observation, especially among adolescents in close-knit classrooms.

The Bohol outbreak and competing explanations

One of the best documented recent Philippine examples occurred in September 2023 at San Jose National High School in Talibon, Bohol.

During a school Mass, students began trembling, fainting and displaying behaviour that many witnesses interpreted as spirit possession. Some reported feeling an unseen force or seeing dark figures. The episode spread rapidly through the school, leading to class suspensions and hospital treatment for many pupils. Local reports estimated that around 250 students were affected, although not all required hospital care.[Manila Bulletin]mb.com.phManila BulletinManila Bulletin - Fear grips high school in Bohol as 250 students 'possessed' by evil spirits…

The incident quickly produced two competing narratives.

Medical staff at Garcia Memorial Provincial Hospital and local government officials described the outbreak as mass hysteria or mass psychogenic illness, noting that such events commonly affect anxious adolescents in group settings and that no common physical illness had been identified. Officials also urged the public not to spread alarming rumours that could worsen the situation.[Manila Bulletin]mb.com.phManila BulletinManila Bulletin - Fear grips high school in Bohol as 250 students 'possessed' by evil spirits…

At the same time, many students, parents and community members understood the experience through a supernatural framework. Reports of unseen figures, unusual strength or altered voices reinforced beliefs that spirits or demonic forces were involved. These accounts circulated widely on social media and in local conversations, illustrating how cultural expectations shape the meaning attached to unusual events.[Manila Bulletin]mb.com.phManila BulletinManila Bulletin - Fear grips high school in Bohol as 250 students 'possessed' by evil spirits…

Later reports described similar episodes in other Bohol schools, again producing a mixture of medical explanations and spiritual interpretations.[Bohol Tribune]theboholtribune.comBohol Tribune'Evil spirit' possessionplagues Bohol schoolsBohol TribuneDecember 10, 2023…Published: December 10, 2023

Why possession narratives remain persuasive

The Philippines is one of the world’s largest predominantly Christian countries, while many communities also retain older traditions concerning spirits, sacred places and unseen forces. Because of this religious landscape, unusual behaviour is more readily interpreted as possession than it might be in societies with different cultural expectations.

A study examining Philippine newspaper reporting argues that apparent possession in schools has become a recurring media theme despite receiving relatively little systematic attention from psychology or anthropology. News coverage often presents dramatic eyewitness accounts while giving comparatively less space to discussion of psychogenic illness, making possession narratives especially memorable.[CiNii Research]cir.nii.ac.jpCi Nii Research Reportage of “Possession” in the Philippines | Ci Nii ResearchCi Nii Research Reportage of “Possession” in the Philippines | Ci Nii Research

Religious authorities themselves are not always in agreement. Catholic exorcists have sometimes discussed the possibility of genuine spiritual phenomena while also emphasising that psychological assessment and medical examination should come first. This reflects the Catholic Church’s longstanding practice of distinguishing possible mental illness from cases considered appropriate for exorcism.[Cebu Daily News]cebudailynews.inquirer.netCebu Daily News Exorcist explains why mass possession happen in schoolsCebu Daily News Exorcist explains why mass possession happen in schools

What schools and health authorities have learned

Experience from the Philippines and comparable outbreaks elsewhere suggests that the response can influence whether an episode expands or subsides.

Measures commonly recommended include:

A recent systematic review of school outbreaks found that rumours, psychological stress, perceived threats, distrust of authorities and extensive media attention repeatedly contribute to the spread of mass psychogenic illness. These findings closely match patterns seen in Philippine school incidents.[PubMed]pubmed.ncbi.nlm.nih.govFactors related to the occurrence of mass psychogenic illness in schools: a systematic review - PubMedJune 19, 2025…Published: June 19, 2025

Why these outbreaks matter beyond individual schools

School possession scares reveal how collective belief, stress and observation interact rather than fitting neatly into either “supernatural” or “medical” categories. They demonstrate that cultural beliefs influence how symptoms are understood without proving or disproving supernatural explanations.

For historians and social scientists, these outbreaks offer insight into the relationship between religion, education and community anxiety in modern Philippine society. For educators and health professionals, they underline the importance of treating affected students with compassion while avoiding responses that unintentionally reinforce fear or stigma.

Rather than dismissing participants as irrational, the strongest evidence suggests that these episodes involve genuine distress shaped by social relationships, expectations and local beliefs. That combination explains why school possession scares continue to recur in the Philippines and why they remain among the country’s most recognisable examples of collective fear and mass psychogenic illness.

Amazon book picks

Further Reading

Books and field guides related to Why Do Possession Scares Spread Through Schools?. Use these as the next step if you want deeper reading beyond the article.

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Extraordinary Popular Delusions and the Madness of Crowds

By Charles Mackay

Rating: 4.0/5 from 5 Google Books ratings

Introduces classic discussions of collective delusions and panics.

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The Demon-Haunted World

By Carl Sagan

Encourages evidence-based evaluation of extraordinary claims.

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Mistakes Were Made (but Not by Me) Third Edition

By Carol Tavris, Elliot Aronson

Explains cognitive processes that can reinforce shared beliefs.

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The Believing Brain

By Michael Shermer

Explores why people form and spread unusual beliefs.

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Browse more on Amazon:Extraordinary Popular Delusions and the Madness of CrowdsThe Demon Haunted WorldMistakes Were Made (but Not by Me) Third Edition

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Endnotes

1. Source: pubmed.ncbi.nlm.nih.gov
Link:https://pubmed.ncbi.nlm.nih.gov/40537604/

Published: June 19, 2025

2. Source: mb.com.ph
Link:https://mb.com.ph/2023/9/16/panic-grips-high-school-in-bohol-as-250-students-possessed-by-evil-spirits

3. Source: cir.nii.ac.jp
Title: Ci Nii Research Reportage of “Possession” in the Philippines | Ci Nii Research
Link:https://cir.nii.ac.jp/crid/1390009224813268480?lang=en

4. Source: cebudailynews.inquirer.net
Title: Cebu Daily News Exorcist explains why mass possession happen in schools
Link:https://cebudailynews.inquirer.net/528008/exorcist-explains-why-some-students-get-possessed-by-evil-spirits-in-schools

5. Source: theboholtribune.com
Title: Bohol Tribune’Evil spirit’ possessionplagues Bohol schools
Link:https://theboholtribune.com/2023/12/10/evil-spirit-possessionplagues-bohol-schools/

Published: December 10, 2023

6. Source: mb.com.ph
Title: Manila Bulletin
Link:https://mb.com.ph/2025/10/23/21-students-faint-in-mass-hysteria-at-school

Published: October 23, 2025

7. Source: theboholtribune.com
Title: Attacked by evil?Or mass hysteria?
Link:https://theboholtribune.com/2023/09/17/attacked-by-evilor-mass-hysteria/

8. Source: newsinfo.inquirer.net
Title: almost 200 students in bohol town possessed by evil spirits
Link:https://newsinfo.inquirer.net/1832125/almost-200-students-in-bohol-town-possessed-by-evil-spirits

9. Source: cebudailynews.inquirer.net
Title: almost 200 students in bohol possessed by evil spirits
Link:https://cebudailynews.inquirer.net/527682/almost-200-students-in-bohol-possessed-by-evil-spirits

10. Source: pubmed.ncbi.nlm.nih.gov
Link:https://pubmed.ncbi.nlm.nih.gov/35747341/

11. Source: pubmed.ncbi.nlm.nih.gov
Link:https://pubmed.ncbi.nlm.nih.gov/30766740/

12. Source: pmc.ncbi.nlm.nih.gov
Link:https://pmc.ncbi.nlm.nih.gov/articles/PMC6356045/

13. Source: pmc.ncbi.nlm.nih.gov
Link:https://pmc.ncbi.nlm.nih.gov/articles/PMC3536509/

14. Source: pubmed.ncbi.nlm.nih.gov
Link:https://pubmed.ncbi.nlm.nih.gov/19806834/

15. Source: pmc.ncbi.nlm.nih.gov
Link:https://pmc.ncbi.nlm.nih.gov/articles/PMC6759243/

Additional References

16. Source: sciencedirect.com
Link:https://www.sciencedirect.com/science/article/pii/S0140673689919764

17. Source: tribune.net.ph
Title: School admin denies ‘demonic possession’ rumors in Bontoc campus incident
Link:https://tribune.net.ph/2026/07/05/school-admin-denies-demonic-possession-rumors-in-bontoc-campus-incident

Published: July 5, 2026

18. Source: youtube.com
Link:https://www.youtube.com/watch?v=7-CoGurroPc

19. Source: researchgate.net
Title: (PDF) The Societal Impacts of Mass Psychogenic Illness: A Systematic Review
Link:https://www.researchgate.net/publication/399093223_The_Societal_Impacts_of_Mass_Psychogenic_Illness_A_Systematic_Review

20. Source: youtube.com
Title: 4 students ‘possessed’ by spirits in CDO
Link:https://www.youtube.com/watch?v=X4rRpOmAM14

21. Source: researchgate.net
Link:https://www.researchgate.net/publication/326473288_Mass_psychogenic_illness_among_school_children_a_descriptive_study_of_demographic_and_clinical_variables

22. Source: nejm.org
Link:https://www.nejm.org/doi/full/10.1056/NEJM200001133420206

23. Source: ejournals.ph
Link:https://ejournals.ph/article.php?id=32490

24. Source: cambridge.org
Link:https://www.cambridge.org/core/journals/the-british-journal-of-psychiatry/article/protean-nature-of-mass-sociogenic-illness/2BDC2262E104B8A33F3DD49773DA0D8B

25. Source: sciencedirect.com
Link:https://www.sciencedirect.com/science/article/abs/pii/027795369400242L