Some school districts across North Texas will close "indefinitely" as part of the effort to slow the spread of the new coronavirus, they announced Monday.

Dallas ISD was the first to make the announcement Monday, followed by several others from across the region.

School districts in DeSoto, Duncanville, Highland Park and Richardson made the same announcement Monday night. Lancaster ISD followed suit Tuesday.

Fort Worth ISD announced Tuesday it will stay closed through Sunday, March 29. The closure includes canceling activities, athletic events and all travel for adults and children.

“This will not be easy,” Fort Worth ISD Superintendent Kent Scribner. “But we are working to find ways to support our families and continue educational instruction over these next two weeks.”

The district said it would prepare online guides to keep students engaged and involved in their academic studies.

Several other school districts announced they would close through April 3 before reevaluating.

Denton County announced Tuesday all its school districts would close through Friday, April 3.

The districts are Aubrey, Denton, Krum, Lake Dallas, Lewisville, Pilot Point, Ponder and Sanger ISDs.

Several Collin County school districts -- Allen, Frisco, McKinney and Plano -- followed suit on Wednesday.

Frisco ISD will extend the suspension of all in-person classes through at least April 3 in an effort to slow the spread of COVID-19. Campuses and District offices will remain closed while teachers continue to provide virtual instruction. Learn more: https://t.co/YiCf0GU2gN pic.twitter.com/REBdGkWeld — Frisco ISD (@friscoisd) March 18, 2020

Allen ISD schools will remain closed through Friday, April 3 in an effort to support the community, region and nation’s need to slow the spread of COVID-19. This action follows advice from local, state and national health authorities. pic.twitter.com/eQC59OynI2 — Allen ISD (@Allen_ISD) March 18, 2020

Dallas ISD said it recognized the significant impact the closure will have on the community, especially families who rely on the district for critical services.

Dallas ISD schools will close indefinitely to help combat the spread of the coronavirus.



But our mission continues and we are activating at-home learning and will continue providing meals at select schools.



Learn more: https://t.co/ukhEiUu8E3 pic.twitter.com/D4YzaTAw0M — Dallas ISD (@dallasschools) March 16, 2020

Teachers are prepared to begin "distance instruction," the district has activated "at-home learning," and Dallas ISD Food and Child Nutrition Services will continue to distribute meals at specified campuses.

Click here for more information on Dallas ISD's efforts.

Mesquite ISD said Tuesday it would remain closed through April 3.

The district said it would provide packaged meals for all its students beginning Wednesday, available for pickup from 10 a.m. to 12 p.m. at district high schools.

For more information from Mesquite ISD, click here.

Richardson ISD is on spring break this week, but announced starting Monday, March 23, schools would be closed indefinitely.

When spring break concludes, starting Monday, March 23, all RISD schools will be closed indefinitely.

•While schools are closed, all school and district meetings, events and activities will also be cancelled or postponed.



2/8 — Richardson ISD (@RichardsonISD) March 16, 2020

Richardson ISD said it was working on a plan to develop meal service to students with food insecurities.

Cedar Hill ISD said its schools would close until March 23 after it received advice from the Dallas County Health and Human Services Department. The cancellations include classes, activities and after school programs. You can read more from Cedar Hill ISD by clicking here.

⚠️Out of an abundance of caution and concern for the safety and well-being of our scholars and staff, we have made the proactive decision to close ALL #CHISD schools until Monday, March 23, 2020. pic.twitter.com/oBRWQ5OGEL — Cedar Hill ISD (@cedarhillisd) March 12, 2020

DeSoto, Duncanville and Grand Prairie ISDs made the announcement Monday that they too would close indefinitely.

To slow the spread of the coronavirus disease (COVID-19) in our community, all DeSoto ISD schools will close indefinitely. This action follows advice from the Dallas County Health and Human Services department (DCHHS). Read more: https://t.co/PI9kmV1kyd pic.twitter.com/aPMngZYAsH — DeSoto ISD (@desotoisdengage) March 16, 2020

For the health and safety of our community, Duncanville ISD will close indefinitely. Our priority is to make sure we take care of our students, staff, community and all stakeholders as we deal with this unprecedented crisis. Click here to read more - https://t.co/zIgBYad2BU pic.twitter.com/L5b5INMmjV — Duncanville ISD (@DuncanvilleISD) March 16, 2020

GPISD will extend the closure of schools & suspend normal school operations indefinitely. This suspension of normal school operations, taken in conjunction with surrounding districts, is in support of the nation’s effort to “flatten the curve” of the COVID-19 pandemic. (1/4) pic.twitter.com/aNZKvRjz5S — Grand Prairie ISD (@grandprairieisd) March 17, 2020

Highland Park ISD is also on spring break this week, but said schools would close starting March 23, with plans to reassess the situation by April 5.

URGENT: To prevent community spread of COVID-19, HPISD will close schools indefinitely beginning March 23. The district plans to reassess by April 5 when campuses might reopen. Details at https://t.co/uR0BH6BKhz. — Highland Park ISD (@hpisdschools) March 17, 2020

Lancaster ISD announced Tuesday its schools would remain closed indefinitely, with teachers preparing to begin online instruction. The district said further information would be given to parents and posted online, here.

Earlier Monday, the state announced students will not take the STARR test before the end of the 2019-20 school year.