... how pervasive the new Global Language already is ...

I'm going to challenge you on this point. First of all, what's Chinese? I'm guessing you refer to Putonghua aka Mandarin, the erstwhile variant of Beijingnese prescribed for official use within the PRC by their political leadership.

And second, how "global" is it? It's useful primarily in one contiguous area of the world. Even there a large chunk of people kind of learn it as a first semi-foreign language because they speak something different at home. Cantonese, Shanghainese, or a language that cannot be written in Chinese characters.

Which brings me to my third point: a language that requires study of a script this idiosyncratic will not rise to a global language. Vietnam has gotten rid of hanzi, Korean pretty much as well. Ironically, the north has already completely abandoned it. By comparison, the Latin alphabet was spread by cavalry and cannon boat into all parts of the world for centuries. It spread so far that it is now used to teach pinyin to PRC schoolchildren. And while it is not without its own problems, the simplicity and adaptability of this phonetic alphabet to any language makes it far more useful than Chinese characters. And I'm not shitting on the cultural value of them: that's unimpeachable. It's just too complicated.

The alphabet spread with English, Spanish, French, and Portuguese all over the world. I'm not saying that's a good thing but it's already happened. Mandarin cannot have a similar success today unless the PRC starts colonizing at gunpoint fast.

Most Chinese as a foreign language speakers outside the PRC learned it for economic reasons. Economic ties have become somewhat dicey. If anything I suspect interest in learning Mandarin to wane.

There is also the tonal aspect. Any atonal-native language learner is going to have a much harder time than trying to remember the non-sensical English orthography.

More people on this planet learn English as their first and possibly only foreign language - if they learn one at all. The forum you asked this question on is in English. The internet cements the use of the alphabet.

I'm in Japan where foreign language education is notoriously sub-par overall. English is the first foreign language. Some private high schools offer Mandarin as an optional, I haven't seen anything substantial in state-run schools. At college level, most people chose between French and German as a second foreign language. Like we're still in the Meiji Era. I'm a big proponent that they abandon this tradition in favor of Russian, Korean, and Mandarin. It always helps to learn the language of your neighbors. Language schools advertize k-pop-trendy Korean more.

Chinese will never be the official global language and I'll give you 8,105 simplified reasons why...

Chinese is not a global language. And it's not likely to be in the future. It's not the raw number of speakers what makes a global language but the number of non-native speakers.

That being said.

In my country, Spain, it is not taught at any level as mandatory, and not even as an option. Of you want to study chinese you have to go to do as an extracurricular thing.

Singapore - Mother Tongue is a compulsory subject to take up until Uni. Being classified as Chinese racially, I had to take Mandarin during my formative years - but I'm still not good at it lol

Umm, gonna answer as an American, for clarity: many schools across the US have language classes of all sorts. Every niece/nephew I know across multiple states could study French, Spanish, Latin, Chinese, Italian, etc, etc. Chinese is one of many (typically Mandarin).

It's very common in US public schools, and has increased significantly over the last 50 years.

Chinese wasn't available in my school decades ago, but was in nearby schools.

yes, in France, in business schools, they definitely teach Chinese, as a choice, not mandatory.

I believe it is also possible to take Chinese classes during high school , again as a "3rd language option", after English and /Spanish / German

My high school in a semi rural part of the Southern US had a Chinese language class that you could choose to take for your foreign language credit back in the early 2010s. I think it's a false premise to say that it's not taught in the US, most kids just choose to take easier languages like German, French, or Spanish

It's a good question and I'm not dismissing you! But

As an American who grew up at a religious school in the 90s, we absolutely did not

that in itself is such an American thing to say. First the unspoken assumption that everybody understands what you mean by "religious". And if I looked around here where I live I'm sure I could find a christian (which btw does not mean the same as in the US) school that teaches chinese. And probably even the leaders of such schools have never considered to separate languages into "christian" and "non-christian".

The second half of your question seems a bit paranoid. Are you implying that every Chinese language class is secretly funded by the PRC? Are you afraid that your country might switch to Chinese at some point? Do you have a problem with English not being the No. 1 langauage, globally? I'm no friend of China's political system, but this seems excessive.

Yes my public high school had it as a language back in the late 1980s/early 90s. This would be New Jersey, USA.

In Australia, my high school offers German and Chinese mandatory in y7-8 but optional afterwards.

The French education system require to study two foreign language among a long list, so why most people take English + German/Spanish/Italian some people take rare language like Chinese.

To my understanding rare and hard language like Chinese (or Russian) are also a way to be admitted to a better school/class than your local school, so it's often used by rich kids who want to bypass their local public school and be affected to a good school/class

High school requires at least a second language class to graduate, I believe. Most people take French as it's the "default" one that all schools offer, but my school also had Spanish, Mandarin, and Japanese, iirc. But that was decades ago.

the new Global Language

This is not decided yet.

Russian is still a candidate. English still a possibility despite one large English-speaking country giving up all it's meaning.

My school (UK, 1980s) offered Mandarin as an extracurricular course. I signed up, showed up... and was the only student. One-on-one classes the rest of the year :)

(Just don't try grilling me in Mandarin now, though.)

Ireland. I doubt any schools offer it as a curricular, but it is an exam subject. Generally the only people sitting the exam are Chinese native speakers who moved here.

There was a show on Nick Jr that taught me how to count to three in Chinese while my kids had snack time.