diff --git a/frontend/public/schemas/20251121/linkml/manifest.json b/frontend/public/schemas/20251121/linkml/manifest.json
index 0b24f7fd3c..6a43014fd6 100644
--- a/frontend/public/schemas/20251121/linkml/manifest.json
+++ b/frontend/public/schemas/20251121/linkml/manifest.json
@@ -1,5 +1,5 @@
 {
-  "generated": "2026-01-19T12:05:53.461Z",
+  "generated": "2026-01-19T12:10:38.542Z",
   "schemaRoot": "/schemas/20251121/linkml",
   "totalFiles": 2969,
   "categoryCounts": {
diff --git a/schemas/20251121/linkml/manifest.json b/schemas/20251121/linkml/manifest.json
index 6a43014fd6..c5471e6f6e 100644
--- a/schemas/20251121/linkml/manifest.json
+++ b/schemas/20251121/linkml/manifest.json
@@ -1,5 +1,5 @@
 {
-  "generated": "2026-01-19T12:10:38.542Z",
+  "generated": "2026-01-19T12:12:01.538Z",
   "schemaRoot": "/schemas/20251121/linkml",
   "totalFiles": 2969,
   "categoryCounts": {
diff --git a/schemas/20251121/linkml/modules/slots/manifest.json b/schemas/20251121/linkml/modules/slots/manifest.json
index 525a26de3f..71db41aca2 100644
--- a/schemas/20251121/linkml/modules/slots/manifest.json
+++ b/schemas/20251121/linkml/modules/slots/manifest.json
@@ -76,7 +76,6 @@
         "claim_value.yaml",
         "based_on_claim.yaml",
         "classifies_or_classified.yaml",
-        "classroom_count.yaml",
         "clear_thinking.yaml",
         "climate_control_type.yaml",
         "closed_space_id.yaml",
diff --git a/schemas/20251121/linkml/modules/slots/slot_fixes.yaml b/schemas/20251121/linkml/modules/slots/slot_fixes.yaml
index bf3daeee66..0f49db0ab7 100644
--- a/schemas/20251121/linkml/modules/slots/slot_fixes.yaml
+++ b/schemas/20251121/linkml/modules/slots/slot_fixes.yaml
@@ -9658,6 +9658,18 @@ fixes:
   - label: RoomUnit
     type: class
     value: classroom
+  processed:
+    status: true
+    timestamp: '2026-01-19T18:30:00Z'
+    session: session-2026-01-19-classroom-count-migration
+    notes: |
+      FULLY MIGRATED: classroom_count → has_or_had_facility + Classroom.
+      Created: Classroom.yaml (subclass of Facility) with has_or_had_quantity, has_or_had_unit.
+      Created: RoomUnit.yaml (subclass of Unit) with RoomUnitTypeEnum.
+      Created: RoomUnitTypeEnum.yaml with CLASSROOM, WORKSHOP_SPACE, SEMINAR_ROOM, etc.
+      Existing slots used: has_or_had_facility, has_or_had_quantity, has_or_had_unit.
+      Updated: EducationCenter.yaml (imports, slots list, slot_usage, 2 examples).
+      Archived: modules/slots/archive/classroom_count_archived_20260119.yaml.
 - original_slot_id: https://nde.nl/ontology/hc/slot/clear_thinking
   revision:
   - label: has_or_had_mode
@@ -10731,3 +10743,6 @@ fixes:
     type: slot
   - label: DeceasedStatus
     type: class
+
+
+# https://nde.nl/ontology/hc/slot/decommission_date
\ No newline at end of file