diff --git a/libraries/admin.py b/libraries/admin.py
index a0dc4fec..6954737e 100644
--- a/libraries/admin.py
+++ b/libraries/admin.py
@@ -301,11 +301,32 @@ class LibraryReportView(ReleaseReportView):
         generate_library_report.delay(self.request.GET)
 
 
+class TierFilter(admin.SimpleListFilter):
+    title = "tier"
+    parameter_name = "tier"
+
+    def lookups(self, request, model_admin):
+        from libraries.models import Tier
+
+        choices = [
+            ("unassigned", "Unassigned"),
+        ]
+        choices.extend([(tier.value, tier.label) for tier in Tier])
+        return choices
+
+    def queryset(self, request, queryset):
+        if self.value() == "unassigned":
+            return queryset.filter(tier__isnull=True)
+        elif self.value() is not None:
+            return queryset.filter(tier=self.value())
+        return queryset
+
+
 @admin.register(Library)
 class LibraryAdmin(admin.ModelAdmin):
-    list_display = ["name", "key", "github_url", "view_stats"]
+    list_display = ["name", "key", "tier", "github_url", "view_stats"]
     search_fields = ["name", "description"]
-    list_filter = ["categories"]
+    list_filter = [TierFilter, "categories"]
     ordering = ["name"]
     change_list_template = "admin/library_change_list.html"
     inlines = [LibraryVersionInline]
diff --git a/libraries/migrations/0037_library_tier.py b/libraries/migrations/0037_library_tier.py
new file mode 100644
index 00000000..c290351b
--- /dev/null
+++ b/libraries/migrations/0037_library_tier.py
@@ -0,0 +1,28 @@
+# Generated by Django 5.2.8 on 2026-02-03 19:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("libraries", "0036_releasereport_locked"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="library",
+            name="tier",
+            field=models.IntegerField(
+                blank=True,
+                choices=[
+                    (10, "Flagship"),
+                    (20, "Core"),
+                    (30, "Deprecated"),
+                    (40, "Legacy"),
+                ],
+                help_text="The tier classification for this library",
+                null=True,
+            ),
+        ),
+    ]
diff --git a/libraries/models.py b/libraries/models.py
index 9c6a6884..bfd10139 100644
--- a/libraries/models.py
+++ b/libraries/models.py
@@ -174,6 +174,13 @@ class Commit(models.Model):
         return self.sha
 
 
+class Tier(models.IntegerChoices):
+    FLAGSHIP = 10, "Flagship"
+    CORE = 20, "Core"
+    DEPRECATED = 30, "Deprecated"
+    LEGACY = 40, "Legacy"
+
+
 class Library(models.Model):
     """
     Model to represent component Libraries of Boost
@@ -241,6 +248,12 @@ class Library(models.Model):
     data = models.JSONField(
         default=dict, help_text="Contains the libraries.json for this library"
     )
+    tier = models.IntegerField(
+        choices=Tier,
+        blank=True,
+        null=True,
+        help_text="The tier classification for this library",
+    )
 
     class Meta:
         verbose_name_plural = "Libraries"