diff --git a/graphql/statistics/fields.ts b/graphql/statistics/fields.ts
index c4104d563..fe8bd6dc1 100644
--- a/graphql/statistics/fields.ts
+++ b/graphql/statistics/fields.ts
@@ -49,7 +49,7 @@ class Statistics {
 }
 
 @ObjectType()
-class MedianTimeToMatch {
+class MedianTimePupilStudent {
     @Field((type) => Float)
     median_days_pupil: number;
 
@@ -1022,7 +1022,7 @@ export class StatisticsResolver {
         return await prisma.secret.count({ where: { lastUsed: { gte: beginingOfTheDay } } });
     }
 
-    @FieldResolver(() => MedianTimeToMatch)
+    @FieldResolver(() => MedianTimePupilStudent)
     @Authorized(Role.ADMIN, Role.USER)
     async medianTimeToMatch() {
         return (
@@ -1042,6 +1042,33 @@ export class StatisticsResolver {
         )[0];
     }
 
+    @FieldResolver(() => MedianTimePupilStudent)
+    @Authorized(Role.ADMIN, Role.USER)
+    async medianTimeSinceLastSuccessfulScreening() {
+        return (
+            await prisma.$queryRaw`
+            SELECT (
+                SELECT
+                    PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY (EXTRACT(EPOCH FROM (now() - "updatedAt"))/86400)::int)
+                FROM
+                    screening
+                WHERE
+                    "updatedAt" >= now() - INTERVAL '1 month'
+                AND "status" = '1'::student_screening_status_enum
+            ) as median_days_student,
+            (
+                SELECT
+                    PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY (EXTRACT(EPOCH FROM (now() - "updatedAt"))/86400)::int)
+                FROM
+                    pupil_screening
+                WHERE
+                    "updatedAt" >= now() - INTERVAL '1 month'
+                  AND "status" = '1'::pupil_screening_status_enum
+                AND "invalidated" = FALSE
+            ) AS median_days_pupil;`
+        )[0];
+    }
+
     @FieldResolver(() => [ByMonth])
     @Authorized(Role.ADMIN)
     async deactivationReasons(@Root() statistics: Statistics, @Arg('type') type: 'pupil' | 'student') {
@@ -1070,7 +1097,7 @@ export class StatisticsResolver {
                     EXTRACT(YEAR FROM l."start")::int AS year,
                     EXTRACT(MONTH FROM l."start")::int AS month,
                     SUM(
-                        l."duration" * CASE 
+                        l."duration" * CASE
                             WHEN l."appointmentType" = 'match' THEN 1
                             ELSE COALESCE(array_length(l."participantIds", 1), 0)
                         END
@@ -1114,7 +1141,7 @@ export class StatisticsResolver {
                     COUNT(CASE WHEN l_count >= ${minCompletedLectures} THEN m.id END) AS successful_matches
                 FROM match m
                 LEFT JOIN (
-                    SELECT 
+                    SELECT
                         l."matchId",
                         COUNT(*) AS l_count
                     FROM lecture l
@@ -1151,7 +1178,7 @@ export class StatisticsResolver {
             EXTRACT(MONTH FROM l."start")::int AS month,
             COUNT(DISTINCT m."id")::int AS value
         FROM match m
-        JOIN lecture l 
+        JOIN lecture l
         ON l."matchId" = m."id"
         WHERE l."start" >= ${statistics.from}::timestamp AND l."start" <= ${statistics.to}::timestamp
         AND l."isCanceled" = FALSE
@@ -1168,7 +1195,7 @@ export class StatisticsResolver {
         SELECT
             COUNT(DISTINCT m."id")::int AS value
         FROM match m
-        JOIN lecture l 
+        JOIN lecture l
         ON l."matchId" = m."id"
         WHERE l."start" >= ${statistics.from}::timestamp AND l."start" <= ${statistics.to}::timestamp
         AND l."isCanceled" = FALSE
@@ -1186,13 +1213,13 @@ export class StatisticsResolver {
             EXTRACT(MONTH FROM l."start")::int AS month,
             COUNT(DISTINCT p_id)::int AS value
         FROM lecture l
-        LEFT JOIN subcourse sc 
+        LEFT JOIN subcourse sc
             ON sc."id" = l."subcourseId"
-        LEFT JOIN course c 
+        LEFT JOIN course c
             ON c."id" = sc."courseId"
         CROSS JOIN LATERAL UNNEST(
-            CASE 
-                WHEN c."name" LIKE '%Hausaufgabenhilfe%' 
+            CASE
+                WHEN c."name" LIKE '%Hausaufgabenhilfe%'
                     THEN l."joinedBy"
                 ELSE l."participantIds"
             END
@@ -1226,8 +1253,8 @@ export class StatisticsResolver {
         LEFT JOIN subcourse sc ON sc."id" = l."subcourseId"
         LEFT JOIN course c  ON c."id" = sc."courseId"
         CROSS JOIN LATERAL UNNEST(
-            CASE 
-                WHEN c."name" LIKE '%Hausaufgabenhilfe%' 
+            CASE
+                WHEN c."name" LIKE '%Hausaufgabenhilfe%'
                     THEN l."joinedBy"
                 ELSE l."organizerIds"
             END
@@ -1256,12 +1283,12 @@ export class StatisticsResolver {
         SELECT
             COUNT(DISTINCT p_id)::int AS value
         FROM lecture l
-        LEFT JOIN subcourse sc 
+        LEFT JOIN subcourse sc
             ON sc."id" = l."subcourseId"
-        LEFT JOIN course c 
+        LEFT JOIN course c
             ON c."id" = sc."courseId"
         CROSS JOIN LATERAL UNNEST(
-            CASE 
+            CASE
                 WHEN c."name" LIKE '%Hausaufgabenhilfe%'
                     THEN l."joinedBy"
                 ELSE l."participantIds"
@@ -1290,13 +1317,13 @@ export class StatisticsResolver {
         SELECT
             COUNT(DISTINCT s_id)::int AS value
         FROM lecture l
-        LEFT JOIN subcourse sc 
+        LEFT JOIN subcourse sc
             ON sc."id" = l."subcourseId"
-        LEFT JOIN course c 
+        LEFT JOIN course c
             ON c."id" = sc."courseId"
         CROSS JOIN LATERAL UNNEST(
-            CASE 
-                WHEN c."name" LIKE '%Hausaufgabenhilfe%' 
+            CASE
+                WHEN c."name" LIKE '%Hausaufgabenhilfe%'
                     THEN l."joinedBy"
                 ELSE l."organizerIds"
             END