." >> reporter: this is hardly alcatraz, but for a kid on cuttyhunk island in massachusetts, going toes feel like solitary. 13-year-old gwen lynch is the only student in a one-room schoolhouse. it's just her and her teacher, miss carvalho. you won't find a smaller school anywhere in these united states. >> and justice for all. >> happy wednesday. >> reporter: gwen has lived on the island her entire life. there were other kids, including her older brother, but everyone else is gone, leaving gwen to make the most of her solo situation. >> we've done plays. >> reporter: how could you do a play? >> a lot of different parts. >> reporter: you played all the parts? >> oh, yeah. >> reporter: did everybody in town come? >> oh, yeah. >> reporter: so it was pretty empty in there. >> there was, like, 12. >> reporter: that's it. >> yeah. >> reporter: 12-- that's the year-round population of cuttyhunk. the place is mostly a summer vacation destination now. although, this week, the census swelled tenfold, friends and family flocking to witness cuttyhunk elementary's last graduation ever. after today

young lady named gwen lynch was the last student to ever aduate from the one-room schoolhouse on cuttyhunk islandpeech to her class which was her >> seth: yeser [ laught ] >> one cheers and applause >> seth: so you gave a one person commencement speech >> yeah. yeah >> seth: was she someone you requested? >> okay, no. well, i mean, i would request her.th i k she's really cool. >> seth: yeah. >> here's the deal she did not request me at all. >> seth: mm-hmm. >> i found this out from "the new york times." [ laughter ] >> seth: after the fact? >> before. >> seth: before the fact okay >> which is also devastating >> seth: rightye >> you know. >> seth: because you're about to go in there, and now you feel like, "i might bomb. >> not only that but truly, i'm unwanted. [ laughter ] well, not -- yeah. so, okay i heard from " know, that she wanted [ laughteyere like, "well,o, she's busy "ay got iter you knoww , and i'm a she wasn't -- she didn't reay you know, there must be thistr speeo to think of th igs for al and be like,heh. >> yea [ light laug >>ndeth: rightnd be like >> it's like, ye yeah oprah know

lady named gwen lynch was the last student to ever graduate from the one-room schoolhouse on cuttyhunk islandss which was her >> seth: yes [ laughter ] >> one [ cheers and applause >> seth: so you gave a one person commencement speech >> yeah. yeah >> seth: was she someone you requested? >> okay, no. well, i mean, i would request her. i think she's really cool. >> seth: yeah. >> here's the deal she did not request me at all. >> seth: mm-hmm. >> i found this out from "the new york times." [ laughter ] >> seth: after the fact? >> before. >> seth: before the fact okay >> which is also devastating >> seth: right yeah >> you know. >> seth:y, iau unwanted. [ laughter ] yh. so, wanokayd michelle obama [ laughter ] and they were like, "well, no, you can't have that. she's busy she was, like, "okay got it i want oprah." [ laughter ] and they were like, "yeah, she can't come here. you know there's two ferries a day. she's too busy." then i show up, and i'm a nervous jewish lady. >> seth: yeah. >> yeah. she also told the "times" that she wasn't -- she didn't really know who i was [ laughter ] >> seth: w

island off massachusetts to give a graduating speech to a class of one, right? wrong. actress jenny slate set to address the solo graduating eighth grader at cuttyhunkweekend. the "snl" alum played mona lisa saperstein on "parks and rec." >> i need to leave early today because my shrink got me and him tickets to a pitbull concert and i already committed to that. >> reporter: slate has connections to the area and agreed to give the speech when asked by a family friend. she's even reached out to gwen to get to know her before the big day. last year a retired astronaut gave the address to gwen's older brother, garter. the one schoolteacher/principal says the school is expecting a packed house at graduation and thinks most of the town will be there for gwen's big day. >> that's really cool. you've got to feel special if you're gwen. >> don't you think so? you've got this actress who was on "snl," in "zootopia," all these kinds of things. she's reaching out to be like, let me personalize this speech for you. >> very precious. >> exactly. >>> when we come back, why rihanna and serena just landed in the pages of "forbes" magazine. >>> and you won't believe