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Stephanie Castle

United States@stephaniecastle  •  Joined October 4, 2010

Live
Sub 25.0K  |  View 9.68M  |  Video 434
#954,566
#164,283United States
#749,852
#121,137United States

At a glance

Subscribers

Last 29 days

25.0K

— No change

Views

Last 29 days

9.68M

+20.7K (+0.2%)

Videos

Last 29 days

434

— No change

Charts

Subscribers, views & videos over time

Tap on chart to see values
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Subscribers gained (weekly) · 6 mo

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Views gained (weekly) · 6 mo

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Subs milestone changes (up to 30)

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Views milestone changes (up to 30)

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Engagement

Avg. views per video

22.3K

Total views ÷ total videos

Views per subscriber

386×

Total views ÷ subscribers

Subs per video

58

Subscribers ÷ total videos

Revenue estimate

Details →

Total (all-time): $6.78K – $19.3K

Daily avg.: $1 – $1

Weekly avg.: $4 – $10

Last 29 days: $15 – $42

Based on estimated $0.7–$2 CPM.

Analytics tables

Analytics Table:Stephanie Castle

Date
subscribers
views
videos
Jun 1, 2026
Jun 1
Mon
25.0K
--
9.68M
+3.14K
434
--
May 25, 2026
May 25
Mon
25.0K
--
9.68M
+3.89K
434
--
May 18, 2026
May 18
Mon
25.0K
--
9.67M
+5.66K
434
--
May 11, 2026
May 11
Mon
25.0K
--
9.67M
+6.24K
434
--
May 4, 2026
May 4
Mon
25.0K
--
9.66M
+4.44K
434
--
Apr 27, 2026
Apr 27
Mon
25.0K
--
9.66M
+5.68K
434
--
Apr 20, 2026
Apr 20
Mon
25.0K
--
9.65M
+6.83K
434
--
Apr 13, 2026
Apr 13
Mon
25.0K
--
9.64M
+6.36K
434
--
Apr 6, 2026
Apr 6
Mon
25.0K
--
9.64M
+5.18K
434
--
Mar 30, 2026
Mar 30
Mon
25.0K
--
9.63M
--
434
--

Subscribers gained (weekly)

WeekSubscribers gainedChange vs prev
Dec 1, 2025
0
--
Dec 8, 2025
0
--
Dec 15, 2025
0
--
Dec 22, 2025
0
--
Dec 29, 2025
0
--
Jan 1, 2026
0
--
Jan 5, 2026
0
--
Jan 12, 2026
0
--
Jan 19, 2026
0
--
Jan 26, 2026
0
--
Feb 2, 2026
0
--
Feb 9, 2026
100
+100
Feb 16, 2026
0
-100
Feb 23, 2026
0
--
Mar 2, 2026
0
--
Mar 9, 2026
0
--

Views gained (weekly)

WeekViews gainedChange vs prev
Dec 1, 2025
7.91K
+7.91K
Dec 8, 2025
7.70K
-218
Dec 15, 2025
5.16K
-2.53K
Dec 22, 2025
2.19K
-2.96K
Dec 29, 2025
884
-1.31K
Jan 1, 2026
1.45K
+570
Jan 5, 2026
6.22K
+4.77K
Jan 12, 2026
6.86K
+638
Jan 19, 2026
6.94K
+79
Jan 26, 2026
8.10K
+1.16K
Feb 2, 2026
8.76K
+662
Feb 9, 2026
8.70K
-64
Feb 16, 2026
6.55K
-2.14K
Feb 23, 2026
8.27K
+1.71K
Mar 2, 2026
7.21K
-1.06K
Mar 9, 2026
7.27K
+65

About

IB Biology videos tutorials arranged by standard, narrowed down to exactly what you need to know in a concise explanation. Stephanie Castle currently teaches IB Biology at Dwight Global Online School. She was formerly Head of Science at Shanghai American School, China. Prior to that Stephanie taught IB Biology at the…

Handle
@stephaniecastle
Joined
October 4, 2010

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