The following article by Erica Metzler first appeared on Chalkbeat.org on September 2, 2020.
Hundreds of students in dozens of schools around the state have had to quarantine and abruptly switch to online learning, many shortly after returning to the classroom.
But state public health officials so far have identified just five outbreaks in K-12 schools since students returned in August.
This week, four K-12 schools, three of them new, appear on the active outbreak list:
- Battle Mountain High School, in the Eagle County district, where two staff members tested positive before students returned. The school first appeared on the outbreak list last week.
- Bear Creek Elementary School in the Lewis-Palmer district in El Paso County, where two students and one staff member tested positive for COVID.
- Monument Academy, a charter school in the Lewis-Palmer district where one student and one staff member tested positive.
- Sand Creek Elementary School in the Douglas County district, where two students and one staff member tested positive.
Colorado is one of at least 15 states releasing data on outbreaks in schools, according to a tally by NBC News. Some states don’t share this information due to privacy concerns, and others don’t name the schools or numbers of students and staff affected. The state doesn’t track individual cases of COVID among school staff and students.
The Colorado Department of Public Health and Environment releases outbreak data every Wednesday, a list that includes nursing homes, police departments, manufacturing facilities, fast food restaurants, construction sites, churches, social gatherings, prisons, county fairs, child care centers, and more.
It can take time to determine whether an outbreak has occurred. For example, Douglas County School District announced on Aug. 23 that someone at Sand Creek had tested positive for COVID. Sixth-grade students were sent home to quarantine. An outbreak at Sand Creek was not confirmed until Aug. 27, and the school didn’t appear on the state list until Sept. 2.
An outbreak represents a situation in which COVID has been transmitted from one person to another in a particular setting, not just a site where a person with COVID happened to be present. Schools with more recent cases could show up on the outbreak list in the future.
An outbreak is defined as:
- Two or more confirmed cases among people from separate households within 14 days of each other in the same school, if the school is not doing anything to limit student interactions.
- Two or more confirmed cases among people from separate households within 14 days of each other in the same classroom or cohort, if the school has placed limits on student groups.
- At least 5% of students and staff in a school testing positive, even if those people are in different cohorts.
Cohorts are groups of students and staff that interact only with each other, and it’s one of the strategies state officials suggest schools use to contain COVID. But many districts have struggled to create small cohorts, especially at the secondary level, leading to larger quarantines.
Even if two people in the same school test positive within 14 days, officials might not consider it an outbreak, for example, if they were siblings or if they were in different cohorts and there was no evidence they had contact with each other.
And the state’s data only shows transmission in a facility or institution. It wouldn’t show whether a student or teacher infected another family member.
Colorado is in the midst of an experiment in whether it can hold school in-person during a pandemic without further spreading the disease in the community.
The state quarantine guidance for schools calls for people in the same classroom as someone who tested positive, as well as other close contacts, to stay home for 14 days. In some cases, they could return if they tested negative.
Over time, the state outbreak data will provide a picture — with its own limitations — of whether schools can contain the spread of COVID within their walls.
Daniel Dougherty, a spokesman for Eagle County Schools, said the cases at Battle Mountain High School represent the system working, even though they constitute an outbreak. One staff member developed symptoms over the weekend, called in sick on a Monday, and then tested positive.
The staff member worked with contact tracers to identify two coworkers they ate lunch with. Those two staff members also stayed home. One developed symptoms and later tested positive, while the other did not.
“All in all, it went according to plan: keep the ill out of school (stay home if sick), rapidly remove the symptomatic from public circulation (self-isolate/quarantine), get tested, contact trace, remove others who had close contact (closer than 6 feet apart for more than 15 minutes), and thus contain the spread,” Dougherty wrote in an email.
Recent cases of COVID in Colorado schools include:
- Students and staff in at least 19 schools in the Cherry Creek school district. Sixty-seven students and staff at Overland High School are in quarantine.
- Students and staff in eight schools in the Greeley-Evans district.
- A high school student in Woodland Park who told school officials they had tested negative, when in fact they had tested positive. Nearly 50 students and staff are in quarantine.
- One student at Heritage High School in Littleton, which prompted five staff members and 60 students to quarantine.
- Students and staff at numerous schools in El Paso County, including two students in isolation with COVID-like symptoms at an elementary school in the Academy 20 district and a staff member in District 11.
- One student in the Mancos district in southwest Colorado, which prompted the entire 460-student district to move online because the high school, middle school, and elementary school are on the same block and served by the same bus route.
Chalkbeat is a nonprofit news site covering educational change in public schools.
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