Renamed min_score to threshold in Grading Scale
diff --git a/erpnext/patches/v7_2/update_assessment_modules.py b/erpnext/patches/v7_2/update_assessment_modules.py
index da0c54c..a8ee865 100644
--- a/erpnext/patches/v7_2/update_assessment_modules.py
+++ b/erpnext/patches/v7_2/update_assessment_modules.py
@@ -7,7 +7,7 @@
 	frappe.rename_doc("DocType", "Grade Interval", "Grading Scale Interval", force=True)
 
 	frappe.reload_doc("schools", "doctype", "grading_scale_interval")
-	rename_field("Grading Scale Interval", "to_score", "min_score")
+	rename_field("Grading Scale Interval", "to_score", "threshold")
 
 	#Rename Assessment Results
 	frappe.reload_doc("schools", "doctype", "assessment")
diff --git a/erpnext/schools/api.py b/erpnext/schools/api.py
index a1e4a49..912a75d 100644
--- a/erpnext/schools/api.py
+++ b/erpnext/schools/api.py
@@ -191,8 +191,8 @@
 	:param Percentage: Score Percentage Percentage
 	"""
 	grading_scale_intervals = {}
-	for d in frappe.get_all("Grading Scale Interval", fields=["grade_code", "min_score"], filters={"parent": grading_scale}):
-		grading_scale_intervals.update({d.min_score:d.grade_code})
+	for d in frappe.get_all("Grading Scale Interval", fields=["grade_code", "threshold"], filters={"parent": grading_scale}):
+		grading_scale_intervals.update({d.threshold:d.grade_code})
 	intervals = sorted(grading_scale_intervals.keys(), key=float, reverse=True)
 	for interval in intervals:
 		if flt(percentage) >= interval:
diff --git a/erpnext/schools/doctype/grading_scale_interval/grading_scale_interval.json b/erpnext/schools/doctype/grading_scale_interval/grading_scale_interval.json
index 87cdeec..10b229c 100644
--- a/erpnext/schools/doctype/grading_scale_interval/grading_scale_interval.json
+++ b/erpnext/schools/doctype/grading_scale_interval/grading_scale_interval.json
@@ -45,7 +45,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "default": "0", 
-   "fieldname": "min_score", 
+   "fieldname": "threshold", 
    "fieldtype": "Percent", 
    "hidden": 0, 
    "ignore_user_permissions": 0, 
@@ -53,7 +53,7 @@
    "in_filter": 0, 
    "in_list_view": 1, 
    "in_standard_filter": 0, 
-   "label": "Min Score", 
+   "label": "Threshold", 
    "length": 0, 
    "no_copy": 0, 
    "permlevel": 0, 
@@ -107,7 +107,7 @@
  "issingle": 0, 
  "istable": 1, 
  "max_attachments": 0, 
- "modified": "2016-12-29 17:10:26.153591", 
+ "modified": "2017-01-04 15:27:56.729286", 
  "modified_by": "Administrator", 
  "module": "Schools", 
  "name": "Grading Scale Interval", 
@@ -119,5 +119,6 @@
  "read_only_onload": 0, 
  "sort_field": "modified", 
  "sort_order": "DESC", 
+ "track_changes": 1, 
  "track_seen": 0
 }
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