diff --git a/nextjs-app/components/SchoolDetailView.tsx b/nextjs-app/components/SchoolDetailView.tsx
index 6b74d24..2e507e3 100644
--- a/nextjs-app/components/SchoolDetailView.tsx
+++ b/nextjs-app/components/SchoolDetailView.tsx
@@ -673,7 +673,7 @@ export function SchoolDetailView({
             {admissions.first_preference_offer_pct != null && (
               <div className={styles.metricCard}>
                 <div className={styles.metricLabel}>Families who got their first-choice</div>
-                <div className={styles.metricValue}>{admissions.first_preference_offer_pct}%</div>
+                <div className={styles.metricValue}>{formatPercentage(admissions.first_preference_offer_pct)}</div>
               </div>
             )}
           </div>
diff --git a/nextjs-app/components/SecondarySchoolDetailView.module.css b/nextjs-app/components/SecondarySchoolDetailView.module.css
index 82ccf46..81e4254 100644
--- a/nextjs-app/components/SecondarySchoolDetailView.module.css
+++ b/nextjs-app/components/SecondarySchoolDetailView.module.css
@@ -2,6 +2,7 @@
 
 .container {
   width: 100%;
+  overflow-x: hidden;
 }
 
 /* ── Header ──────────────────────────────────────────── */
@@ -32,6 +33,7 @@
   margin-bottom: 0.5rem;
   line-height: 1.2;
   font-family: var(--font-playfair), 'Playfair Display', serif;
+  overflow-wrap: break-word;
 }
 
 .badges {
@@ -63,6 +65,7 @@
   font-size: 0.875rem;
   color: var(--text-muted, #8a847a);
   margin: 0 0 0.75rem;
+  overflow-wrap: break-word;
 }
 
 .headerDetails {
@@ -245,6 +248,8 @@
   align-items: center;
   gap: 0.375rem;
   flex-wrap: wrap;
+  overflow-wrap: break-word;
+  min-width: 0;
 }
 
 .sectionTitle::before {
@@ -325,6 +330,8 @@
   align-items: center;
   justify-content: center;
   gap: 0.25rem;
+  overflow-wrap: break-word;
+  word-break: break-word;
 }
 
 .metricHint {
@@ -672,6 +679,10 @@
 
 /* ── Responsive ──────────────────────────────────────── */
 @media (max-width: 768px) {
+  .header {
+    padding: 1rem;
+  }
+
   .headerContent {
     flex-direction: column;
     gap: 1rem;
@@ -688,9 +699,101 @@
 
   .schoolName {
     font-size: 1.25rem;
+    word-break: break-word;
+  }
+
+  .badges {
+    gap: 0.25rem;
+  }
+
+  .badge {
+    font-size: 0.75rem;
+    padding: 0.1rem 0.375rem;
+  }
+
+  .headerDetails {
+    flex-direction: column;
+    gap: 0.375rem;
+  }
+
+  .metricsGrid {
+    grid-template-columns: repeat(2, 1fr);
+  }
+
+  .metricValue {
+    font-size: 1rem;
+  }
+
+  .chartContainer {
+    height: 220px;
+  }
+
+  .dataTable {
+    font-size: 0.75rem;
+  }
+
+  .dataTable th,
+  .dataTable td {
+    padding: 0.5rem 0.375rem;
+  }
+
+  .card {
+    padding: 1rem;
+  }
+
+  .sectionTitle {
+    font-size: 1rem;
   }
 
   .parentViewLabel {
     flex-basis: 10rem;
   }
+
+  .ofstedReportLink {
+    margin-left: 0;
+    display: block;
+    margin-top: 0.25rem;
+  }
+
+  .admissionsTypeBadge {
+    font-size: 0.75rem;
+  }
+}
+
+@media (max-width: 480px) {
+  .parentViewRow {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 0.25rem;
+  }
+
+  .parentViewLabel {
+    flex: none;
+    max-width: 100%;
+  }
+
+  .parentViewBar {
+    width: 100%;
+  }
+
+  .parentViewPct {
+    flex: none;
+  }
+
+  .metricsGrid {
+    grid-template-columns: 1fr 1fr;
+    gap: 0.5rem;
+  }
+
+  .metricCard {
+    padding: 0.5rem;
+  }
+
+  .metricLabel {
+    font-size: 0.625rem;
+  }
+
+  .card {
+    padding: 0.75rem;
+  }
 }
diff --git a/nextjs-app/components/SecondarySchoolDetailView.tsx b/nextjs-app/components/SecondarySchoolDetailView.tsx
index 30a6ddd..f432431 100644
--- a/nextjs-app/components/SecondarySchoolDetailView.tsx
+++ b/nextjs-app/components/SecondarySchoolDetailView.tsx
@@ -329,7 +329,7 @@ export function SecondarySchoolDetailView({
                 {admissions.first_preference_offer_pct != null && (
                   <div className={styles.metricCard}>
                     <div className={styles.metricLabel}>1st choice offer rate</div>
-                    <div className={styles.metricValue}>{admissions.first_preference_offer_pct}%</div>
+                    <div className={styles.metricValue}>{formatPercentage(admissions.first_preference_offer_pct)}</div>
                   </div>
                 )}
               </div>
@@ -611,7 +611,7 @@ export function SecondarySchoolDetailView({
                   {admissions.first_preference_offer_pct != null && (
                     <div className={styles.metricCard}>
                       <div className={styles.metricLabel}>Families who got their first choice</div>
-                      <div className={styles.metricValue}>{admissions.first_preference_offer_pct}%</div>
+                      <div className={styles.metricValue}>{formatPercentage(admissions.first_preference_offer_pct)}</div>
                     </div>
                   )}
                 </div>