I wish I had more time to volunteer at an animal shelter where lost, stray and abandoned animals are kept while rehabilitated. I adopted two rescue cats five years ago. Do you have any pets?
We have three, all rescues.  I would want to take all of them home.
Me too! I could only work at a no-kill shelter though as their policy is to only euthanize sick animals. 
We only have a no-kill shelter in our town - my children have volunteered there a few times.
That's awesome! No kill shelters use many strategies to promote shelter animals by expanding their resources using volunteers, housing and medicine and to work to reduce the number of animals entering the shelter system. 
Ours has a lot of volunteers and they do an amazing job of finding good homes and rescues for all the animals.
still be considered a no-kill shelter.
Definition.
A no-kill or limited admit shelter is a shelter that saves healthy, treatable and rehabilitatable animals. As a benchmark, at least 90% of the animals entering the shelter are expected to be saved. The save rate must be based on all animals entering the shelter: "It does not matter if the animals are old, blind, deaf, missing limbs, or traumatized. All of these animals are worthy of our compassion, all of them
Animal shelter
An animal shelter or pound is a place where stray, lost, abandoned or surrendered animals, mostly dogs and cats, and sometimes sick or wounded wildlife are kept and rehabilitated. While no-kill shelters exist, it is sometimes policy to euthanize sick animals, and any animal that is not claimed quickly enough by a previous or new owner. In Europe, of 30 countries included in a survey, all but four (Czech Republic, Germany, Greece, and Italy) permitted the killing of healthy stray