There appears to be a problem with the delegation of your domain from k12.in.us nameservers. NS records pointing to Cloudflare have been entered there, but they are not being delegated to as the SOA is ns1.ena.com, so your Cloudflare DNS records are not being used. Contact the organisation that controls k12.in.us and ask them to fix it.
dig +trace +nodnssec central9.k12.in.us
; <<>> DiG 9.10.6 <<>> +trace +nodnssec central9.k12.in.us
;; global options: +cmd
. 86097 IN NS a.root-servers.net.
....
. 86097 IN NS m.root-servers.net.
;; Received 239 bytes from 127.0.2.2#53(127.0.2.2) in 0 ms
us. 172800 IN NS b.cctld.us.
....
us. 172800 IN NS y.cctld.us.
;; Received 533 bytes from 2001:500:a8::e#53(e.root-servers.net) in 19 ms
k12.in.us. 7200 IN NS ns1.ena.com.
k12.in.us. 7200 IN NS ns2.ena.com.
;; Received 90 bytes from 2001:503:e239::3:1#53(k.cctld.us) in 16 ms
central9.k12.in.us. 3600 IN A 44.195.195.78
;; Received 63 bytes from 2610:128:2100:ad::35#53(ns2.ena.com) in 103 ms
dig +trace +nodnssec central9.k12.in.us ns
; <<>> DiG 9.10.6 <<>> +trace +nodnssec central9.k12.in.us ns
;; global options: +cmd
. 518362 IN NS a.root-servers.net.
. 518362 IN NS b.root-servers.net.
. 518362 IN NS c.root-servers.net.
. 518362 IN NS d.root-servers.net.
. 518362 IN NS e.root-servers.net.
. 518362 IN NS f.root-servers.net.
. 518362 IN NS g.root-servers.net.
. 518362 IN NS h.root-servers.net.
. 518362 IN NS i.root-servers.net.
. 518362 IN NS j.root-servers.net.
. 518362 IN NS k.root-servers.net.
. 518362 IN NS l.root-servers.net.
. 518362 IN NS m.root-servers.net.
;; Received 239 bytes from 127.0.2.2#53(127.0.2.2) in 24 ms
us. 172800 IN NS m.cctld.us.
us. 172800 IN NS k.cctld.us.
us. 172800 IN NS b.cctld.us.
us. 172800 IN NS x.cctld.us.
us. 172800 IN NS n.cctld.us.
us. 172800 IN NS f.cctld.us.
us. 172800 IN NS w.cctld.us.
us. 172800 IN NS y.cctld.us.
;; Received 533 bytes from 2001:503:ba3e::2:30#53(a.root-servers.net) in 16 ms
k12.in.us. 7200 IN NS ns1.ena.com.
k12.in.us. 7200 IN NS ns2.ena.com.
;; Received 90 bytes from 37.209.192.15#53(w.cctld.us) in 14 ms
central9.k12.in.us. 86400 IN NS lana.ns.cloudflare.com.
central9.k12.in.us. 86400 IN NS yew.ns.cloudflare.com.
;; Received 101 bytes from 96.5.0.35#53(ns2.ena.com) in 110 ms
dig +trace +nodnssec central9.k12.in.us soa
; <<>> DiG 9.10.6 <<>> +trace +nodnssec central9.k12.in.us soa
;; global options: +cmd
. 86389 IN NS a.root-servers.net.
....
. 86389 IN NS m.root-servers.net.
;; Received 239 bytes from 127.0.2.2#53(127.0.2.2) in 0 ms
us. 172800 IN NS b.cctld.us.
....
us. 172800 IN NS y.cctld.us.
;; Received 533 bytes from 2001:500:a8::e#53(e.root-servers.net) in 14 ms
k12.in.us. 7200 IN NS ns2.ena.com.
k12.in.us. 7200 IN NS ns1.ena.com.
;; Received 90 bytes from 2001:503:e239::3:1#53(k.cctld.us) in 16 ms
central9.k12.in.us. 3600 IN SOA ns1.ena.com. hostmaster.ena.com. 2024081503 28800 7200 604800 86400
;; Received 105 bytes from 96.5.0.35#53(ns2.ena.com) in 110 ms