diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0af66d..d3f258c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Unreleased
 ## New features
 ## Under the hood
+- Tweak tenant-lea attribution logic
 ## Fixes
 
 # edu_wh v0.4.0
diff --git a/models/build/edfi_3/bld_ef3__tenant_lea_ownership.sql b/models/build/edfi_3/bld_ef3__tenant_lea_ownership.sql
index 7fe3bb7..bac8dbe 100644
--- a/models/build/edfi_3/bld_ef3__tenant_lea_ownership.sql
+++ b/models/build/edfi_3/bld_ef3__tenant_lea_ownership.sql
@@ -3,8 +3,8 @@
 -- each tenant individually define each district and school, and only
 -- keep the definition from the tenant that actually has ownership
 -- since the relationship between tenant and district is not codified anywhere,
--- we observe it from student enrollments.
-select distinct ssa.tenant_code, lea_id
-from {{ ref('stg_ef3__student_school_associations') }} ssa 
-join {{ ref('stg_ef3__schools') }} sch 
-    on ssa.k_school = sch.k_school
\ No newline at end of file
+-- we observe it from calendars
+select distinct sch.tenant_code, sch.lea_id
+from {{ ref('stg_ef3__calendars') }} as cal
+join {{ ref('stg_ef3__schools') }} as sch
+    on cal.k_school = sch.k_school