One thing I'd recommend is to gradually drop spirit and convert it to throughput stats. Especially in red sockets I'd replace those purple int/spirit gems with something else. Anything really would be better - pure int, or int/haste, or int/mastery, or int/crit. Maybe int/crit to start with, since she'll also get mana back from crits.
Another great glyph to start getting used to is totemic recall. We can get a lot of mana back from recalling healing stream totem just before it expires, which allows us to drop more spirit and convert it to throughput stats. Here is a weak-aura I'm using to remind me to recall HST. It'll show a graphic and play a sound when it's time to recall it:
Code:
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A more advanced habit to pick later on is dropping magma totems during the legendary meta gem proc for free, and then recalling them afterwards for a mana gain.
You are doing great healing with a lot of absorbs on your pala, this is going to suppress a shaman's healing on the meters since your absorbs come first, especially during normal. If we zoom on galakras part two, she has catched up to your healing during that phase, so that's a good sign.
On Thok stacked phase she didn't do so well, and this is one fight a shaman usually excels at. Maybe she got spell locked often -- it's possible to squeeze healing rain between the screeches, even as they go up (though admittedly she has low haste maybe that was the issue), and she can go the riptide glpyh way for that fight and keep it on the entire raid like a druid, less chances to get spell locked with it.
Overall I agree with marklar, she's doing a great job for someone who hasn't healed before, she's going to be a great healer.
You are one shotting almost all the bosses on normal while two healing, it's time to move on to heroics!