To Kill Two Mockingbirds: Stories of Boo Radley and Tom Robinson

If you have ever taught To Kill a Mockingbird (and I truly hope you have, because it is one of those rare novels that continues to unfold with every reading), you may recognize a particular moment—one in which the rhythm of the classroom subtly shifts.

It happens in Chapter 10. Atticus says a line that students immediately notice:

“It is a sin to kill a mockingbird.”

There is always a pause. Some students look up, others linger on the words, and then—almost inevitably—someone says it: “Oh wait… that’s the title!”. And soon after, the question emerges:

What does that actually mean?

At this point in the novel, however, the answer is still beyond our reach. Tom Robinson’s story has not yet fully unfolded; Boo Radley remains, for the most part, a figure shaped by rumor and childhood imagination. And yet, precisely for this reason, this moment offers a remarkable opportunity.

Rather than resolving the question, I have learned to hold it open.

We linger on it. We name it. We return to it.

What does it mean to “kill a mockingbird”? What kind of innocence does this image suggest? Why would harming such a creature be described as a sin?

This question becomes a thread running through the entire reading experience. It is not answered immediately, but gradually—tested, reconsidered, and deepened as the novel unfolds. Only in retrospect, once the story has fully revealed itself, does its meaning come into focus, most clearly through the figures of Boo Radley and Tom Robinson.

What follows is not a fixed interpretation, but a way of accompanying students as they arrive there.

Before we can identify the mockingbirds of the novel, we must first dwell on the nature of the symbol itself.

What, after all, is a mockingbird?

When I pose this question, students’ answers are often simple, yet they tend to carry a kind of intuitive clarity. A mockingbird does not harm; it does not destroy. It offers something—song, beauty, presence—without asking anything in return. To harm such a creature feels, almost instinctively, like a violation.

We gather these observations and, at times, make them visible—on the board, in a shared note, in the margins of the text. But more importantly, we return to them. As the narrative progresses, students begin to test this emerging definition against what they read, asking whether it holds, whether it needs to be revised, whether it illuminates what is happening.

In this way, the metaphor is not delivered to them as a conclusion. It is constructed slowly, through attention, memory, and reflection.

Boo Radley enters the novel as a story before he appears as a person. For Scout, Jem, and Dill, he is first and foremost an object of fascination—an absence filled with rumor, a figure shaped by the collective imagination of the neighborhood.

Students, at least initially, tend to share this perspective. Boo is intriguing, unsettling, almost unreal. And yet, as we continue reading, small details begin to accumulate—quietly, almost imperceptibly. The gifts left in the tree. The careful mending of Jem’s pants. The blanket placed, without anyone noticing, around Scout’s shoulders.

These gestures rarely draw attention to themselves in the moment. It is only later, when students are invited to look back, that they begin to see them for what they are: signs of a presence that has always been there, attentive and protective. At some point, there is often a moment of recognition. A student pauses, reconsiders, and says something along the lines of: “Wait… Boo has been helping them all along.”

What matters here is not simply the narrative revelation, but the shift in perception it requires. Boo Radley does not change over the course of the novel. What changes is the way he is seen. And this realization opens a space for a deeper reflection.

How easily do we accept the stories a community tells? How rarely do we question them? How often do communities create their own fears, and how easily do those fears turn into judgment?

By the time Scout stands on Boo Radley’s porch and looks out at the world from his perspective, that shift has reached its completion. Boo is no longer an object of fear or curiosity, but a person whose quiet goodness has remained, for the most part, unseen. In this sense, Boo Radley embodies a form of innocence that is easily overlooked—precisely because it does not demand recognition.

If Boo Radley invites students to reconsider how they see, Tom Robinson confronts them with a more difficult question:

What happens when a society refuses to see at all?

By the time we reach the trial, the atmosphere in the classroom often changes. There is a growing attentiveness, a sense that something is at stake. Students listen carefully as Atticus presents his case; they follow the logic, they recognize the inconsistencies, they perceive, often quite clearly, where the truth lies. And yet, alongside this clarity, there is a lingering uncertainty. Will it matter?

When the verdict is delivered, the impact is immediate. Not because it comes as a complete surprise, but because it confirms something unsettling: that evidence and truth are not always sufficient to secure justice.

This moment tends to resonate deeply. For many students, it marks one of the first times they encounter—within a narrative they are emotionally invested in—the gap between what is right and what is decided.

Tom Robinson’s story lays bare the mechanisms of prejudice with a clarity that is difficult to dismiss. He is not condemned because of his actions, but because of what others are prepared to believe about him. His innocence is visible, articulated, defended—and still denied.

In this sense, the metaphor of the mockingbird becomes unmistakable. Tom Robinson is harmed not because he has done wrong, but because of what a community chooses to believe about him.

It is only once the novel has been completed that I return, explicitly, to the question first raised in Chapter 10.

Who, then, are the mockingbirds?

At this point, students are usually ready to answer—not because they have been told, but because they have seen. Boo Radley and Tom Robinson stand at the center of the metaphor. Both are innocent. Both are vulnerable. Both, in different ways, bring something good into the world without seeking recognition. And yet, their stories do not end in the same way.

Boo is protected. Sheriff Tate makes a deliberate and, in many ways, compassionate choice: exposing him would not serve justice, but harm it. In this case, the community—through an individual decision—chooses not to “kill” this mockingbird. Tom Robinson, by contrast, receives no such protection. The very structures that should defend him instead ensure his destruction.

This contrast often becomes a turning point in discussion. Students begin to move beyond identifying the metaphor and start to question its implications.

What does it take not only to recognize innocence, but to protect it?
Why is that protection sometimes extended—and sometimes denied?

This is also where Scout’s perspective becomes crucial. Through her, students learn that understanding is not immediate. It is something that must be developed—by looking again, by questioning first impressions, and by learning to see the human story behind what a community assumes to be true. Recognizing the two mockingbirds is not just part of Scout’s moral growth. It often becomes part of our students’ as well.

From here, the conversation naturally extends to moral courage. Students often recognize that Atticus embodies a form of courage that is neither loud nor dramatic. He defends Tom Robinson not because he expects to win, but because he knows it is the right thing to do. If you wish to explore this dimension further, a focused character analysis of Atticus Finch can offer valuable insight into both his ethical stance and his rhetorical strategies.

But as the discussion deepens, other forms of courage begin to emerge.

Boo Radley stepping out of isolation to protect the children. Scout learning, slowly and imperfectly, to see others with empathy rather than judgment. These moments expand students’ understanding of what courage can look like. It is not always visible. It is not always rewarded. And yet, it is essential.

To me, one of the most meaningful moments in the novel is also one of the most understated: Scout standing on Boo Radley’s porch, seeing the world from his perspective. After the tension of the trial, after the weight of injustice, this moment does not offer resolution. It offers something more demanding: understanding.

Students begin to realize that the lesson of the mockingbird is not only about innocence. It is about perspective. It is about learning to look again, to question what seems evident, and to recognize how easily we misjudge what we do not truly see.

Helping students identify the mockingbirds of the novel is not simply a literary exercise. It is an invitation: to practice empathy, to question injustice, and to consider what it means to protect what is fragile and good in the world around them.

And this, perhaps, is why To Kill a Mockingbird continues to matter so deeply in the classroom.

• Why did Harper Lee choose the mockingbird as a symbol of innocence, and how does this choice reflect the society she portrays?
• In what ways do Boo Radley and Tom Robinson reveal the limits of empathy within their community, and what does that suggest about human behavior?
• Why is Boo ultimately protected while Tom is destroyed, and what responsibilities does this assign to individuals within a society?
• When Atticus says it is a sin to harm someone who has done nothing but bring good into the world, how might this idea apply beyond the novel?
• How might our own perspectives and biases influence the way we judge others, just as Maycomb judged Boo and Tom?

These questions encourage students not only to analyze the text, but to reflect on moral courage, empathy, and justice in their own experience.

If you found this approach helpful, we encourage you to bring these discussion strategies into your own classroom, adapting them to your students and context.

Every reading experience represents an encounter with another person—and sometimes, through that encounter, students begin to see both the text and the world more clearly.

Happy teaching!

Chiara