diff --git a/app/Models/SiteDataItem.php b/app/Models/SiteDataItem.php
new file mode 100644
index 0000000..0ccbcc5
--- /dev/null
+++ b/app/Models/SiteDataItem.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class SiteDataItem extends Model
+{
+    protected $primaryKey = 'key';
+
+    public $incrementing = false;
+
+    protected $keyType = 'string';
+
+    protected $fillable = ['key', 'value'];
+}
diff --git a/app/Providers/AppServiceProvider.php b/app/Providers/AppServiceProvider.php
index 452e6b6..85e8c63 100644
--- a/app/Providers/AppServiceProvider.php
+++ b/app/Providers/AppServiceProvider.php
@@ -2,6 +2,7 @@
 
 namespace App\Providers;
 
+use App\Services\SiteDataService;
 use Illuminate\Support\ServiceProvider;
 
 class AppServiceProvider extends ServiceProvider
@@ -11,7 +12,7 @@ class AppServiceProvider extends ServiceProvider
      */
     public function register(): void
     {
-        //
+        $this->app->singleton(SiteDataService::class);
     }
 
     /**
diff --git a/app/Services/SiteDataService.php b/app/Services/SiteDataService.php
new file mode 100644
index 0000000..a1b70f4
--- /dev/null
+++ b/app/Services/SiteDataService.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\SiteDataItem;
+use InvalidArgumentException;
+
+class SiteDataService
+{
+    public function __construct(
+        protected array $defaults = [],
+        protected string $cacheKeyPrefix = '',
+    ) {
+        $this->defaults = config('siteData.defaults', []);
+        $this->cacheKeyPrefix = config('siteData.cache_key_prefix', 'site_data_');
+    }
+
+    public function get(string $key): mixed
+    {
+        $this->ensureKeyExists($key);
+
+        $cacheKey = $this->cacheKeyPrefix.$key;
+
+        return cache()->remember($cacheKey, now()->addDay(), function () use ($key) {
+            $dataItem = SiteDataItem::find($key);
+
+            $value = $dataItem?->value ?? $this->defaults[$key]['value'];
+            $type = $dataItem?->type ?? $this->defaults[$key]['type'];
+
+            return $type === 'json' ? json_decode($value, true) : $value;
+        });
+    }
+
+    public function set(string $key, string|array $value, ?string $type = null): void
+    {
+        $this->ensureKeyExists($key);
+
+        $cacheKey = $this->cacheKeyPrefix.$key;
+        cache()->forget($cacheKey);
+
+        $type = $type ?? $this->defaults[$key]['type'];
+
+        if (is_array($value)) {
+            $value = json_encode($value);
+            $type = 'json';
+        }
+
+        SiteDataItem::updateOrCreate(
+            ['key' => $key],
+            ['value' => $value, 'type' => $type]
+        );
+    }
+
+    public function has(string $key): bool
+    {
+        return isset($this->defaults[$key]);
+    }
+
+    public function forget(string $key): void
+    {
+        $this->ensureKeyExists($key);
+
+        $cacheKey = $this->cacheKeyPrefix.$key;
+        cache()->forget($cacheKey);
+    }
+
+    protected function ensureKeyExists(string $key): void
+    {
+        if (! $this->has($key)) {
+            throw new InvalidArgumentException("Site data key [{$key}] is not defined in configuration.");
+        }
+    }
+}
diff --git a/app/helpers.php b/app/helpers.php
new file mode 100644
index 0000000..8a98433
--- /dev/null
+++ b/app/helpers.php
@@ -0,0 +1,38 @@
+<?php
+
+use App\Services\SiteDataService;
+
+/**
+ * Get or set site data values.
+ *
+ * When called without arguments, returns the SiteDataService instance.
+ * When called with a key, retrieves the value for that key.
+ * When called with a key and value, sets the value and returns it.
+ *
+ * @param  string|null  $key  The site data key to get or set
+ * @param  mixed  $value  The value to set (optional)
+ * @return mixed The SiteDataService instance, retrieved value, or set value
+ *
+ * @throws \InvalidArgumentException If the key is not defined in configuration
+ *
+ * @example
+ * siteData() // Returns SiteDataService instance
+ * siteData('concertClinicDates') // Returns the value
+ * siteData('concertClinicDates', '2025-03-15') // Sets and returns the value
+ */
+function siteData(?string $key = null, mixed $value = null): mixed
+{
+    $dataService = app(SiteDataService::class);
+
+    if (is_null($key)) {
+        return $dataService;
+    }
+
+    if (func_num_args() === 1) {
+        return $dataService->get($key);
+    }
+
+    $dataService->set($key, $value);
+
+    return $value;
+}
diff --git a/composer.json b/composer.json
index b92d99d..a932e16 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,10 @@
             "App\\": "app/",
             "Database\\Factories\\": "database/factories/",
             "Database\\Seeders\\": "database/seeders/"
-        }
+        },
+        "files": [
+            "app/helpers.php"
+        ]
     },
     "autoload-dev": {
         "psr-4": {
diff --git a/config/siteData.php b/config/siteData.php
new file mode 100644
index 0000000..5291b2c
--- /dev/null
+++ b/config/siteData.php
@@ -0,0 +1,87 @@
+<?php
+
+return [
+    /*
+
+     /*
+    |--------------------------------------------------------------------------
+    | Cache Key Prefix
+    |--------------------------------------------------------------------------
+    |
+    | Prefix for data cache keys
+    |
+    */
+    'cache_key_prefix' => 'site_data_',
+
+    /*
+    |--------------------------------------------------------------------------
+    | Default Site Data
+    |--------------------------------------------------------------------------
+    |
+    | This option sets default values for site data that is not yet defined
+    | in the database.
+    |
+    */
+    'defaults' => [
+        'concertClinicDates' => [
+            'key' => 'concertClinicDates',
+            'value' => 'UNSPECIFIED DATE',
+            'type' => 'string',
+        ],
+        'concertClinicLocation' => [
+            'key' => 'concertClinicLocation',
+            'value' => 'UNSPECIFIED SITE',
+            'type' => 'string',
+        ],
+        'beginnerClinicDates' => [
+            'key' => 'beginnerClinicDates',
+            'value' => 'UNSPECIFIED DATE',
+            'type' => 'string',
+        ],
+        'beginnerClinicLocation' => [
+            'key' => 'beginnerClinicLocation',
+            'value' => 'UNSPECIFIED SITE',
+            'type' => 'string',
+        ],
+        'concertAuditionDate' => [
+            'key' => 'concertAuditionDate',
+            'value' => 'UNSPECIFIED DATE',
+            'type' => 'string',
+        ],
+        'concertAuditionLocation' => [
+            'key' => 'concertAuditionLocation',
+            'value' => 'UNSPECIFIED SITE',
+            'type' => 'string',
+        ],
+        'concertEntryDeadline' => [
+            'key' => 'concertEntryDeadline',
+            'value' => 'UNSPECIFIED DATE',
+            'type' => 'string',
+        ],
+        'beginnerEntryDeadline' => [
+            'key' => 'beginnerEntryDeadline',
+            'value' => 'UNSPECIFIED DATE',
+            'type' => 'string',
+        ],
+        'officers' => [
+            'key' => 'officers',
+            'value' => '[{"office":"No Officers Defined","name":"No Officers Defined","school":" "}]',
+            'type' => 'json',
+        ],
+        'concertEnsembles' => [
+            'key' => 'concertEnsembles',
+            'value' => '[{"name":"No Ensembles Defined","chair":" ","clinician":" "}]',
+            'type' => 'json',
+        ],
+        'beginnerEnsembles' => [
+            'key' => 'beginnerEnsembles',
+            'value' => '[{"name":"No Ensembles Defined","chair":" ","clinician":" "}]',
+            'type' => 'json',
+        ],
+        'jazzEnsembles' => [
+            'key' => 'jazzEnsembles',
+            'value' => '[{"name":"No Ensembles Defined","chair":" ","clinician":" "}]',
+            'type' => 'json',
+        ],
+    ],
+];
diff --git a/database/migrations/2025_12_13_151834_create_site_data_items_table.php b/database/migrations/2025_12_13_151834_create_site_data_items_table.php
new file mode 100644
index 0000000..2cc4a86
--- /dev/null
+++ b/database/migrations/2025_12_13_151834_create_site_data_items_table.php
@@ -0,0 +1,23 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('site_data_items', function (Blueprint $table) {
+            $table->string('key')->primary();
+            $table->text('value');
+            $table->string('type');
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('site_data_items');
+    }
+};
diff --git a/database/seeders/MeobdaData2526.php b/database/seeders/MeobdaData2526.php
new file mode 100644
index 0000000..b714048
--- /dev/null
+++ b/database/seeders/MeobdaData2526.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\SiteDataItem;
+use Illuminate\Database\Seeder;
+
+class MeobdaData2526 extends Seeder
+{
+    public function run(): void
+    {
+        $defaults = [
+            ['key' => 'concertClinicDates', 'value' => 'February 2-3, 2026', 'type' => 'string'],
+            ['key' => 'concertClinicLocation', 'value' => 'Oologah High School', 'type' => 'string'],
+            ['key' => 'beginnerClinicDates', 'value' => 'April 7, 2026', 'type' => 'string'],
+            ['key' => 'beginnerClinicLocation', 'value' => 'Wagoner High School', 'type' => 'string'],
+            ['key' => 'concertAuditionDate', 'value' => 'January 12, 2026', 'type' => 'string'],
+            ['key' => 'concertAuditionLocation', 'value' => 'Wagoner  High School', 'type' => 'string'],
+            ['key' => 'concertEntryDeadline', 'value' => 'December 19, 2025', 'type' => 'string'],
+            ['key' => 'beginnerEntryDeadline', 'value' => 'March 13, 2026', 'type' => 'string'],
+            [
+                'key' => 'officers',
+                'value' => json_encode([
+                    ['office' => 'President', 'name' => 'Keysto Stotz', 'school' => 'Skiatook'],
+                    ['office' => 'Vice President', 'name' => 'Jon Matthews', 'school' => 'Oologah'],
+                    ['office' => 'Secretary', 'name' => 'Kate Aldridge', 'school' => 'Wagoner'],
+                    ['office' => 'Treasurer & Audition Coordinator', 'name' => 'Matt Young', 'school' => 'Vinita'],
+                ]),
+                'type' => 'json',
+            ],
+            [
+                'key' => 'concertEnsembles',
+                'value' => json_encode([
+                    ['name' => 'High School Band', 'chair' => 'Bruce Thompson', 'clinician' => ''],
+                    ['name' => 'Junior High Band', 'chair' => 'Doug Finley', 'clinician' => ''],
+                    ['name' => '7th Grade Band', 'chair' => 'Tyler Reeves', 'clinician' => ''],
+                ]),
+                'type' => 'json',
+            ],
+            [
+                'key' => 'beginnerEnsembles',
+                'value' => json_encode([
+                    ['name' => 'First & Second Year A', 'chair' => 'Renee Roberts', 'clinician' => ''],
+                    ['name' => 'First & Second Year B', 'chair' => 'Madison West', 'clinician' => ''],
+                    ['name' => 'First & Second Year C', 'chair' => 'Denton Bodine', 'clinician' => ''],
+                ]),
+                'type' => 'json',
+            ],
+            [
+                'key' => 'jazzEnsembles',
+                'value' => json_encode([
+                    ['name' => 'Jazz Band', 'chair' => 'Eric Noble', 'clinician' => ''],
+                ]),
+                'type' => 'json',
+            ],
+        ];
+
+        foreach ($defaults as $item) {
+            SiteDataItem::updateOrCreate(
+                ['key' => $item['key']],
+                ['value' => $item['value'], 'type' => $item['type']]
+            );
+        }
+    }
+}