Altadena Academy #13877468

members (measured 25 Aug 2026, 04:47 UTC)

26 January 2022

created (per Roblox API)

10 August 2026

first measured by this register

Membership history

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)	Members	Change
25 Aug 2026, 04:47	1	first reading

Ownership

Owned by @symcfi as measured.

Members we’ve seen

@symcfi — Owner (rank 255)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

Quataun#12121240 · 1 shared members

17,688,673

Pilot Training Club#2794513 · 1 shared members

3,755,634

Builderman#5 · 1 shared members

1,068,713

Quantum Science Inc.#2847031 · 1 shared members

484,543

Pile of Garbage#17306947 · 1 shared members

452,499

Twisted Official#4812298 · 1 shared members

362,367

REACT Studiosᅠ#17180419 · 1 shared members

326,877

State of Firestone#2803360 · 1 shared members

160,289

First Response Studios.#3621763 · 1 shared members

146,138

Mareware#4481320 · 1 shared members

132,026

[OSFUSA] United States of America#1025445 · 1 shared members

102,788

Sleepcore.#8928429 · 1 shared members

95,800

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.