Operational Occupancy Med: 88% Operational Capacity Min: 326 Massachusetts Correctional Institution – Shirley is a medium-security state prison in Shirley, Massachusetts.

It is located directly to the north of the Souza-Baranowski Correctional Center, a maximum-security facility in the town of Lancaster.

On January 6, 2020 there was 992 Medium and 269 minimum inmates in general population beds.

[citation needed] Pursuant to the Supreme Judicial Court’s April 3, 2020 Opinion and Order in the Committee for Public Counsel Services v. Chief Justice of the Trial Court, SJC-12926 matter, as amended on April 10, April 28 and June 23, 2020 (the “Order”), the Special Master posts weekly reports which are located on the SJC website here for COVID testing and cases for each of the correctional facilities administered by the Department of Correction and each of the county Sheriffs’ offices.

The SJC Special master link above has the most up to date information reported by the correctional agencies and is posted for the public to view.