diff --git a/lib/domains/tlds.txt b/lib/domains/tlds.txt
index 19eced360e..072a89f34b 100644
--- a/lib/domains/tlds.txt
+++ b/lib/domains/tlds.txt
@@ -74,4 +74,44 @@ sch.om
 sch.ps
 sch.sa
 school.za
-ort.org.il
\ No newline at end of file
+ort.org.il
+k12.al.us
+k12.ak.us
+k12.az.us
+k12.ar.us
+k12.ct.us
+k12.de.us
+k12.fl.us
+k12.ga.us
+k12.hi.us
+k12.il.us
+k12.in.us
+k12.ia.us
+k12.ky.us
+k12.la.us
+k12.me.us
+k12.md.us
+k12.ma.us
+k12.mi.us
+k12.mn.us
+k12.ms.us
+k12.mo.us
+k12.mt.us
+k12.nh.us
+k12.nj.us
+k12.ny.us
+k12.nc.us
+k12.oh.us
+k12.ok.us
+k12.or.us
+k12.pa.us
+k12.sc.us
+k12.sd.us
+k12.tn.us
+k12.ut.us
+k12.vt.us
+k12.va.us
+k12.wa.us
+k12.wv.us
+k12.wi.us
+k12.wy.us
\ No newline at end of file