diff --git a/simso/schedulers/LSTR.py b/simso/schedulers/LSTR.py
new file mode 100644
index 0000000..c3e3269
--- /dev/null
+++ b/simso/schedulers/LSTR.py
@@ -0,0 +1,12 @@
+from simso.core import Scheduler, Timer
+from simso.schedulers import scheduler
+
+
+@scheduler("simso.schedulers.LSTR")
+class LSTR(Scheduler):
+    """
+    Least Slack Time Rate First
+    """
+
+    def init(self):
+        pass
\ No newline at end of file