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SDJ COVID-19 Dashboard

To provide more information regarding COVID-19 in schools, the SDJ has established a dashboard to provide the number of active positive COVID-19 cases in students and staff. Also provided is the number of individuals that are considered active close contacts (and are quarantining). The information on this page will be updated at least weekly, typically on Wednesday.
When the SDJ is notified of a student or staff member who has tested positive with COVID-19, district staff begin the process of contact tracing to determine who may need to be designated as a ‘close contact’ of the positive individual. Note: SDJ staff are only able to do contact tracing for the cases that are affiliated with SDJ schools, and are not able to conduct follow-up/contact tracing for cases that are affiliated with entities outside of school (i.e., stores, restaurants, other places of employment).

As SDJ staff conduct the contact tracing for students or staff members, anyone who is identified as a close contact will be called directly by the school staff. Those that are identified as close contacts will be provided with information on what they need to do with respect to quarantining or monitoring for symptoms. As a general rule, anyone that has been identified as positive COVID-19 is not allowed to return to school until: 

  • 10 days after the date of their first positive COVID-19 test; AND 
  • No other symptoms associated with COVID-19 have developed; AND

NOTE: Rock County Public Health Department may have additional return to school requirements on a case-by-case basis.

SDJ Health and Safety Measures

STUDENTS -- as of January 13, 2022

NOTE: With the implementation of new isolations and quarantine protocols on Jan. 12, 2022,
close contact information is no longer reported here.

  Elementary Middle High Total
Active Positive Covid-19 67 (+36) 59 (+39) 89 (+18) 215 (+93)
NOTE: DATA IN ( ) REFLECTS CHANGE IN NUMBER SINCE THE PREVIOUS UPDATE. Active positive cases reported here are for those students enrolled in the School District of Janesville who have tested positive.  Close contacts reported from these positive cases are only for those which SDJ school health/nurse teams have done the contact tracing. 

The student data on this page relies on parents notifying their child's school in a timely fashion of the status of their child(ren). 
Even during times of distance learning, parents are encouraged to contact their child's school when a child is positive for COVID-19 or deemed a close contact in order for the District to have accurate data to determine whether schools should re-open for face-to-face learning or remain in distance learning. 

STAFF -- as of January 13, 2022

NOTE: With the implementation of new isolations and quarantine protocols on Jan. 12, 2022,
close contact information is no longer reported here.

  Elementary Middle High/ESC^^ Total
      Active Positive Covid-19
17 (-5) 8 (-2) 11 (-1) 36 (-8) *

NOTE: DATA IN ( ) REFLECTS CHANGE IN NUMBER SINCE THE PREVIOUS UPDATE. The close contacts number for staff include those that have had potential exposure from outside their work location (for example, perhaps a household family member tested positive).
* Staff Total is the unduplicated count. Some staff work in more than one building and more than one grade level.
^^ ESC: includes staff that are not assigned to a specific grade level building, or serve in a district-wide capacity.

2021-2022 School Year Monthly Cumulative + COVID-19 Cases

The numbers in this table represent non-duplicated cumulative COVID-19 positive cases by month.

Students --  COVID-19 Positive
Students --  Close Contact
Staff--COVID-19 Positive   
September 2021




October 2021




November 2021




December 2021




January 2022




February 2022




March 2022




April 2022




May 2022




SDJ Mask Metric

As adopted by the School District of Janesville's Board of Education on 10/12/2021, beginning on October 29, 2021, the district will use the following metric to determine required or recommended mask use in school district facilities (also available as a PDF document).


Rock County COVID-19 Transmission Rate

11/15/2021 HIGH
12/01/2021: HIGH
12/15/2021: HIGH
01/03/2022: HIGH
01/15/2022: HIGH
U.S. Centers for Disease Control and Prevention COVID-19 Transmission Rate for Rock County
(Once there, enter "Wisconsin" in the "State or Territory" drop-down window. Then enter "Rock" in the "County or Metro Area" drop-down window, and then hit enter.  This will generate the Rock County WI-specific page on COVID-19 rates/transmission/vaccination status. Then scroll down the page to find the data/details.)

COVID-19 Vaccination Incentive - Impact on Mask Use Metric

If the COVID-19 vaccination rates meet 80% levels for all eligible age groups, then the mask use requirement could be changed to “Recommended.”  

When the SDJ staff reach a rate of 80% fully vaccinated, AND when students district-wide, ages 12-18, reach a rate of 80% fully vaccinated, mask use will be RECOMMENDED at the Middle and High School levels, regardless of the Rock County transmission rate data.

As of January 18, 2022:

  • Vaccination Rate SDJ Staff Vaccination: 94%
  • Vaccination Rate Students 15-18: 46.02% (previous update: 45.83%) 
  • Vaccination Rate Students 12-14: 48.2% (previous update: 47.59%) 
  • Vaccination Rate Students 5-11: 16.04% (previous update: 14.56%) 

Visit to learn more about the COVID-19 vaccine and where to get a shot.

Rock County School District Map w/ data on student COVID vaccination rates
(Once there, click on the area showing the School District of Janesville -- this will generate a pop-up window showing the COVID-19 vaccination rates for school aged children in the district.)

Information on where to obtain a COVID-19 vaccination is available at