diff --git a/schools/dalton/provider.go b/schools/dalton/provider.go
index eff1ee3..b818f98 100644
--- a/schools/dalton/provider.go
+++ b/schools/dalton/provider.go
@@ -7,6 +7,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/MyHomeworkSpace/api-server/calendar/external"
 	"github.com/MyHomeworkSpace/api-server/data"
 	"github.com/MyHomeworkSpace/api-server/schools"
 )
@@ -109,6 +110,25 @@ func (p *provider) GetData(db *sql.DB, user *data.User, location *time.Location,
 		announcements = append(announcements, resp)
 	}
 
+	if school.externalCalendarID != -1 {
+		// we're actually secretly using a webcal link
+		externalProvider := external.Provider{
+			ExternalCalendarID:   school.externalCalendarID,
+			ExternalCalendarName: "Dalton School Calendar",
+		}
+		externalResult, err := externalProvider.GetData(db, user, location, startTime, endTime, dataType)
+		if err != nil {
+			return data.ProviderData{}, err
+		}
+
+		if dataType&data.ProviderDataAnnouncements != 0 {
+			// fill in our announcements
+			externalResult.Announcements = announcements
+		}
+
+		return externalResult, nil
+	}
+
 	// get off blocks for time period
 	offBlocks, err := getOffBlocksStartingBefore(db, endTime.Format("2006-01-02"), announcementGroupsSQL)
 	if err != nil {
diff --git a/schools/dalton/school.go b/schools/dalton/school.go
index a12dde9..9dd568a 100644
--- a/schools/dalton/school.go
+++ b/schools/dalton/school.go
@@ -8,9 +8,10 @@ import (
 )
 
 type school struct {
-	importStatus schools.ImportStatus
-	name         string
-	username     string
+	importStatus       schools.ImportStatus
+	name               string
+	username           string
+	externalCalendarID int
 }
 
 func (s *school) ID() string {
@@ -61,6 +62,13 @@ func (s *school) Hydrate(data map[string]interface{}) error {
 	s.importStatus = schools.ImportStatus(data["status"].(float64))
 	s.name = data["name"].(string)
 	s.username = data["username"].(string)
+
+	s.externalCalendarID = -1
+	_, hasExternalCalendar := data["externalCalendarID"]
+	if hasExternalCalendar {
+		s.externalCalendarID = int(data["externalCalendarID"].(float64))
+	}
+
 	return nil
 }