diff --git a/config-dist.php b/config-dist.php
index c0fb1163afb..833bc4bf68f 100644
--- a/config-dist.php
+++ b/config-dist.php
@@ -789,8 +789,14 @@ $CFG->admin = 'admin';
 // polling should be done and latest update retrieved.
 // If no value is set, then it will default to 5 seconds.
 //
-// $CFG->progresspollinterval = 5;
-
+//      $CFG->progresspollinterval = 5;
+//
+// Set limit for grade items that can be shown on a single page of the grader
+// report. Browsers struggle when the number of grade items is very large and
+// one tries to view all students.
+//
+//      $CFG->maxgradesperpage = 200000;
+//
 //=========================================================================
 // 7. SETTINGS FOR DEVELOPMENT SERVERS - not intended for production use!!!
 //=========================================================================
diff --git a/grade/report/grader/lib.php b/grade/report/grader/lib.php
index c0b1a5b7bd5..291453128a4 100644
--- a/grade/report/grader/lib.php
+++ b/grade/report/grader/lib.php
@@ -547,7 +547,15 @@ class grade_report_grader extends grade_report {
      * @return int
      */
     public function get_max_students_per_page(): int {
-        return round(static::MAX_GRADES_PER_PAGE / count($this->get_allgradeitems()));
+        global $CFG;
+
+        if (isset($CFG->maxgradesperpage) && clean_param($CFG->maxgradesperpage, PARAM_INT) > 0) {
+            $maxgradesperpage = $CFG->maxgradesperpage;
+        } else {
+            $maxgradesperpage = self::MAX_GRADES_PER_PAGE;
+        }
+
+        return round($maxgradesperpage / count($this->get_allgradeitems()));
     }
 
     /**